Finding the Fourth Proportional to 88,265.47, 121,778.36 and 54,750.91
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Solution
The fourth proportional to 88,265.47, 121,778.36 and 54,750.91 is: 75,538.89
Step by Step Solution
- Step 1: Write the proportion equation
88,265.47 : 121,778.36 = 54,750.91 : x - Step 2: Convert to fraction form
88,265.47/121,778.36 = 54,750.91/x - Step 3: Cross multiply
88,265.47x = 121,778.36 × 54,750.91 - Step 4: Simplify right side
88,265.47x = 6,667,475,754.55 - Step 5: Solve for x
x = 6,667,475,754.55/88,265.47 - Step 6: Final answer
x = 75,538.89
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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.