Home / 71,626.47-107,451.35-21,694.87

Finding the Fourth Proportional to 71,626.47, 107,451.35 and 21,694.87

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Solution

The fourth proportional to 71,626.47, 107,451.35 and 21,694.87 is: 32,545.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,626.47 : 107,451.35 = 21,694.87 : x
  2. Step 2: Convert to fraction form
    71,626.47/107,451.35 = 21,694.87/x
  3. Step 3: Cross multiply
    71,626.47x = 107,451.35 × 21,694.87
  4. Step 4: Simplify right side
    71,626.47x = 2,331,143,069.57
  5. Step 5: Solve for x
    x = 2,331,143,069.57/71,626.47
  6. Step 6: Final answer
    x = 32,545.83

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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.