Home / 78,760.29-108,691.92-44,770.20

Finding the Fourth Proportional to 78,760.29, 108,691.92 and 44,770.20

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Solution

The fourth proportional to 78,760.29, 108,691.92 and 44,770.20 is: 61,784.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,760.29 : 108,691.92 = 44,770.20 : x
  2. Step 2: Convert to fraction form
    78,760.29/108,691.92 = 44,770.20/x
  3. Step 3: Cross multiply
    78,760.29x = 108,691.92 × 44,770.20
  4. Step 4: Simplify right side
    78,760.29x = 4,866,158,996.78
  5. Step 5: Solve for x
    x = 4,866,158,996.78/78,760.29
  6. Step 6: Final answer
    x = 61,784.42

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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.