Home / 82,542.42-123,753.03-26,350.20

Finding the Fourth Proportional to 82,542.42, 123,753.03 and 26,350.20

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Solution

The fourth proportional to 82,542.42, 123,753.03 and 26,350.20 is: 39,505.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,542.42 : 123,753.03 = 26,350.20 : x
  2. Step 2: Convert to fraction form
    82,542.42/123,753.03 = 26,350.20/x
  3. Step 3: Cross multiply
    82,542.42x = 123,753.03 × 26,350.20
  4. Step 4: Simplify right side
    82,542.42x = 3,260,917,091.11
  5. Step 5: Solve for x
    x = 3,260,917,091.11/82,542.42
  6. Step 6: Final answer
    x = 39,505.95

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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.