Finding the Fourth Proportional to 77,293.35, 115,983.87 and 32,915.48
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Solution
The fourth proportional to 77,293.35, 115,983.87 and 32,915.48 is: 49,391.89
Step by Step Solution
- Step 1: Write the proportion equation
77,293.35 : 115,983.87 = 32,915.48 : x - Step 2: Convert to fraction form
77,293.35/115,983.87 = 32,915.48/x - Step 3: Cross multiply
77,293.35x = 115,983.87 × 32,915.48 - Step 4: Simplify right side
77,293.35x = 3,817,664,753.31 - Step 5: Solve for x
x = 3,817,664,753.31/77,293.35 - Step 6: Final answer
x = 49,391.89
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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.