Home / 75,854.24-113,781.24-71,179.52

Finding the Fourth Proportional to 75,854.24, 113,781.24 and 71,179.52

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Solution

The fourth proportional to 75,854.24, 113,781.24 and 71,179.52 is: 106,769.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,854.24 : 113,781.24 = 71,179.52 : x
  2. Step 2: Convert to fraction form
    75,854.24/113,781.24 = 71,179.52/x
  3. Step 3: Cross multiply
    75,854.24x = 113,781.24 × 71,179.52
  4. Step 4: Simplify right side
    75,854.24x = 8,098,894,048.20
  5. Step 5: Solve for x
    x = 8,098,894,048.20/75,854.24
  6. Step 6: Final answer
    x = 106,769.17

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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.