Finding the Fourth Proportional to 87,753.26, 131,546.85 and 54,039.99
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Solution
The fourth proportional to 87,753.26, 131,546.85 and 54,039.99 is: 81,008.85
Step by Step Solution
- Step 1: Write the proportion equation
87,753.26 : 131,546.85 = 54,039.99 : x - Step 2: Convert to fraction form
87,753.26/131,546.85 = 54,039.99/x - Step 3: Cross multiply
87,753.26x = 131,546.85 × 54,039.99 - Step 4: Simplify right side
87,753.26x = 7,108,790,458.53 - Step 5: Solve for x
x = 7,108,790,458.53/87,753.26 - Step 6: Final answer
x = 81,008.85
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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.