Home / 82,265.64-123,398.85-25,338.87

Finding the Fourth Proportional to 82,265.64, 123,398.85 and 25,338.87

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Solution

The fourth proportional to 82,265.64, 123,398.85 and 25,338.87 is: 38,008.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,265.64 : 123,398.85 = 25,338.87 : x
  2. Step 2: Convert to fraction form
    82,265.64/123,398.85 = 25,338.87/x
  3. Step 3: Cross multiply
    82,265.64x = 123,398.85 × 25,338.87
  4. Step 4: Simplify right side
    82,265.64x = 3,126,787,418.30
  5. Step 5: Solve for x
    x = 3,126,787,418.30/82,265.64
  6. Step 6: Final answer
    x = 38,008.43

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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.