Finding the Fourth Proportional to 87,737.44, 131,575.08 and 28,562.08
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Solution
The fourth proportional to 87,737.44, 131,575.08 and 28,562.08 is: 42,833.00
Step by Step Solution
- Step 1: Write the proportion equation
87,737.44 : 131,575.08 = 28,562.08 : x - Step 2: Convert to fraction form
87,737.44/131,575.08 = 28,562.08/x - Step 3: Cross multiply
87,737.44x = 131,575.08 × 28,562.08 - Step 4: Simplify right side
87,737.44x = 3,758,057,960.97 - Step 5: Solve for x
x = 3,758,057,960.97/87,737.44 - Step 6: Final answer
x = 42,833.00
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1.5x scale
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.