Home / 107,023.83-147,691.38-61,701.90

Finding the Fourth Proportional to 107,023.83, 147,691.38 and 61,701.90

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Solution

The fourth proportional to 107,023.83, 147,691.38 and 61,701.90 is: 85,147.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,023.83 : 147,691.38 = 61,701.90 : x
  2. Step 2: Convert to fraction form
    107,023.83/147,691.38 = 61,701.90/x
  3. Step 3: Cross multiply
    107,023.83x = 147,691.38 × 61,701.90
  4. Step 4: Simplify right side
    107,023.83x = 9,112,838,759.62
  5. Step 5: Solve for x
    x = 9,112,838,759.62/107,023.83
  6. Step 6: Final answer
    x = 85,147.75

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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.