Finding the Fourth Proportional to 87,867.18, 131,750.28 and 27,061.70
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Solution
The fourth proportional to 87,867.18, 131,750.28 and 27,061.70 is: 40,576.99
Step by Step Solution
- Step 1: Write the proportion equation
87,867.18 : 131,750.28 = 27,061.70 : x - Step 2: Convert to fraction form
87,867.18/131,750.28 = 27,061.70/x - Step 3: Cross multiply
87,867.18x = 131,750.28 × 27,061.70 - Step 4: Simplify right side
87,867.18x = 3,565,385,893.52 - Step 5: Solve for x
x = 3,565,385,893.52/87,867.18 - Step 6: Final answer
x = 40,576.99
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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.