Finding the Fourth Proportional to 88,689.80, 133,046.85 and 29,519.30
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Solution
The fourth proportional to 88,689.80, 133,046.85 and 29,519.30 is: 44,282.99
Step by Step Solution
- Step 1: Write the proportion equation
88,689.80 : 133,046.85 = 29,519.30 : x - Step 2: Convert to fraction form
88,689.80/133,046.85 = 29,519.30/x - Step 3: Cross multiply
88,689.80x = 133,046.85 × 29,519.30 - Step 4: Simplify right side
88,689.80x = 3,927,449,879.21 - Step 5: Solve for x
x = 3,927,449,879.21/88,689.80 - Step 6: Final answer
x = 44,282.99
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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.