Finding the Fourth Proportional to 87,882.14, 121,276.67 and 47,594.97
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Solution
The fourth proportional to 87,882.14, 121,276.67 and 47,594.97 is: 65,680.69
Step by Step Solution
- Step 1: Write the proportion equation
87,882.14 : 121,276.67 = 47,594.97 : x - Step 2: Convert to fraction form
87,882.14/121,276.67 = 47,594.97/x - Step 3: Cross multiply
87,882.14x = 121,276.67 × 47,594.97 - Step 4: Simplify right side
87,882.14x = 5,772,159,470.35 - Step 5: Solve for x
x = 5,772,159,470.35/87,882.14 - Step 6: Final answer
x = 65,680.69
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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.