Finding the Fourth Proportional to 87,160.88, 120,276.06 and 48,915.92
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Solution
The fourth proportional to 87,160.88, 120,276.06 and 48,915.92 is: 67,500.63
Step by Step Solution
- Step 1: Write the proportion equation
87,160.88 : 120,276.06 = 48,915.92 : x - Step 2: Convert to fraction form
87,160.88/120,276.06 = 48,915.92/x - Step 3: Cross multiply
87,160.88x = 120,276.06 × 48,915.92 - Step 4: Simplify right side
87,160.88x = 5,883,414,246.13 - Step 5: Solve for x
x = 5,883,414,246.13/87,160.88 - Step 6: Final answer
x = 67,500.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.