Home / 83,691.15-125,544.11-23,720.43

Finding the Fourth Proportional to 83,691.15, 125,544.11 and 23,720.43

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Solution

The fourth proportional to 83,691.15, 125,544.11 and 23,720.43 is: 35,582.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,691.15 : 125,544.11 = 23,720.43 : x
  2. Step 2: Convert to fraction form
    83,691.15/125,544.11 = 23,720.43/x
  3. Step 3: Cross multiply
    83,691.15x = 125,544.11 × 23,720.43
  4. Step 4: Simplify right side
    83,691.15x = 2,977,960,154.57
  5. Step 5: Solve for x
    x = 2,977,960,154.57/83,691.15
  6. Step 6: Final answer
    x = 35,582.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.