Finding the Fourth Proportional to 74,524.58, 111,787.77 and 29,556.98
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Solution
The fourth proportional to 74,524.58, 111,787.77 and 29,556.98 is: 44,335.83
Step by Step Solution
- Step 1: Write the proportion equation
74,524.58 : 111,787.77 = 29,556.98 : x - Step 2: Convert to fraction form
74,524.58/111,787.77 = 29,556.98/x - Step 3: Cross multiply
74,524.58x = 111,787.77 × 29,556.98 - Step 4: Simplify right side
74,524.58x = 3,304,108,882.13 - Step 5: Solve for x
x = 3,304,108,882.13/74,524.58 - Step 6: Final answer
x = 44,335.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.