Finding the Fourth Proportional to 88,202.18, 121,719.11 and 47,915.92
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Solution
The fourth proportional to 88,202.18, 121,719.11 and 47,915.92 is: 66,124.02
Step by Step Solution
- Step 1: Write the proportion equation
88,202.18 : 121,719.11 = 47,915.92 : x - Step 2: Convert to fraction form
88,202.18/121,719.11 = 47,915.92/x - Step 3: Cross multiply
88,202.18x = 121,719.11 × 47,915.92 - Step 4: Simplify right side
88,202.18x = 5,832,283,049.80 - Step 5: Solve for x
x = 5,832,283,049.80/88,202.18 - Step 6: Final answer
x = 66,124.02
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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.