Finding the Fourth Proportional to 88,375.76, 121,958.57 and 48,089.68
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Solution
The fourth proportional to 88,375.76, 121,958.57 and 48,089.68 is: 66,363.77
Step by Step Solution
- Step 1: Write the proportion equation
88,375.76 : 121,958.57 = 48,089.68 : x - Step 2: Convert to fraction form
88,375.76/121,958.57 = 48,089.68/x - Step 3: Cross multiply
88,375.76x = 121,958.57 × 48,089.68 - Step 4: Simplify right side
88,375.76x = 5,864,948,611.95 - Step 5: Solve for x
x = 5,864,948,611.95/88,375.76 - Step 6: Final answer
x = 66,363.77
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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.