Finding the Fourth Proportional to 87,757.11, 131,587.02 and 40,984.47
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Solution
The fourth proportional to 87,757.11, 131,587.02 and 40,984.47 is: 61,453.99
Step by Step Solution
- Step 1: Write the proportion equation
87,757.11 : 131,587.02 = 40,984.47 : x - Step 2: Convert to fraction form
87,757.11/131,587.02 = 40,984.47/x - Step 3: Cross multiply
87,757.11x = 131,587.02 × 40,984.47 - Step 4: Simplify right side
87,757.11x = 5,393,024,273.58 - Step 5: Solve for x
x = 5,393,024,273.58/87,757.11 - Step 6: Final answer
x = 61,453.99
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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.