Finding the Fourth Proportional to 88,591.16, 122,253.12 and 48,305.70
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Solution
The fourth proportional to 88,591.16, 122,253.12 and 48,305.70 is: 66,660.41
Step by Step Solution
- Step 1: Write the proportion equation
88,591.16 : 122,253.12 = 48,305.70 : x - Step 2: Convert to fraction form
88,591.16/122,253.12 = 48,305.70/x - Step 3: Cross multiply
88,591.16x = 122,253.12 × 48,305.70 - Step 4: Simplify right side
88,591.16x = 5,905,522,538.78 - Step 5: Solve for x
x = 5,905,522,538.78/88,591.16 - Step 6: Final answer
x = 66,660.41
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1.5x scale
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.