Finding the Fourth Proportional to 88,449.28, 122,057.60 and 48,705.28
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Solution
The fourth proportional to 88,449.28, 122,057.60 and 48,705.28 is: 67,211.96
Step by Step Solution
- Step 1: Write the proportion equation
88,449.28 : 122,057.60 = 48,705.28 : x - Step 2: Convert to fraction form
88,449.28/122,057.60 = 48,705.28/x - Step 3: Cross multiply
88,449.28x = 122,057.60 × 48,705.28 - Step 4: Simplify right side
88,449.28x = 5,944,849,584.13 - Step 5: Solve for x
x = 5,944,849,584.13/88,449.28 - Step 6: Final answer
x = 67,211.96
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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.