Finding the Fourth Proportional to 88,096.20, 121,572.84 and 47,809.97
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Solution
The fourth proportional to 88,096.20, 121,572.84 and 47,809.97 is: 65,977.80
Step by Step Solution
- Step 1: Write the proportion equation
88,096.20 : 121,572.84 = 47,809.97 : x - Step 2: Convert to fraction form
88,096.20/121,572.84 = 47,809.97/x - Step 3: Cross multiply
88,096.20x = 121,572.84 × 47,809.97 - Step 4: Simplify right side
88,096.20x = 5,812,393,833.21 - Step 5: Solve for x
x = 5,812,393,833.21/88,096.20 - Step 6: Final answer
x = 65,977.80
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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.