Finding the Fourth Proportional to 88,020.87, 121,467.97 and 47,735.52
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Solution
The fourth proportional to 88,020.87, 121,467.97 and 47,735.52 is: 65,874.57
Step by Step Solution
- Step 1: Write the proportion equation
88,020.87 : 121,467.97 = 47,735.52 : x - Step 2: Convert to fraction form
88,020.87/121,467.97 = 47,735.52/x - Step 3: Cross multiply
88,020.87x = 121,467.97 × 47,735.52 - Step 4: Simplify right side
88,020.87x = 5,798,336,711.29 - Step 5: Solve for x
x = 5,798,336,711.29/88,020.87 - Step 6: Final answer
x = 65,874.57
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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.