Home / 71,966.28-99,331.28-49,034.04

Finding the Fourth Proportional to 71,966.28, 99,331.28 and 49,034.04

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Solution

The fourth proportional to 71,966.28, 99,331.28 and 49,034.04 is: 67,679.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,966.28 : 99,331.28 = 49,034.04 : x
  2. Step 2: Convert to fraction form
    71,966.28/99,331.28 = 49,034.04/x
  3. Step 3: Cross multiply
    71,966.28x = 99,331.28 × 49,034.04
  4. Step 4: Simplify right side
    71,966.28x = 4,870,613,522.99
  5. Step 5: Solve for x
    x = 4,870,613,522.99/71,966.28
  6. Step 6: Final answer
    x = 67,679.10

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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.