It would still be worth $75000. You aren't mentioning whether you invested it or anything, so I will assume you put it "in a piggy bank" (for example).
More than you could aford bum hole :)
100 dollars in 1930 equalled 1204.42 dollars
If you put $25000 under your mattress in 1900, today it would be worth $25000
A lot of frackling money!
What cost $1800 in 1977 would cost approximately $6400 in today's dollars.