Finding the Fourth Proportional to 87,272.78, 130,916.75 and 24,092.95
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Solution
The fourth proportional to 87,272.78, 130,916.75 and 24,092.95 is: 36,141.52
Step by Step Solution
- Step 1: Write the proportion equation
87,272.78 : 130,916.75 = 24,092.95 : x - Step 2: Convert to fraction form
87,272.78/130,916.75 = 24,092.95/x - Step 3: Cross multiply
87,272.78x = 130,916.75 × 24,092.95 - Step 4: Simplify right side
87,272.78x = 3,154,170,711.91 - Step 5: Solve for x
x = 3,154,170,711.91/87,272.78 - Step 6: Final answer
x = 36,141.52
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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.