Home / 54,842.28-75,682.67-29,691.78

Finding the Fourth Proportional to 54,842.28, 75,682.67 and 29,691.78

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Solution

The fourth proportional to 54,842.28, 75,682.67 and 29,691.78 is: 40,974.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,842.28 : 75,682.67 = 29,691.78 : x
  2. Step 2: Convert to fraction form
    54,842.28/75,682.67 = 29,691.78/x
  3. Step 3: Cross multiply
    54,842.28x = 75,682.67 × 29,691.78
  4. Step 4: Simplify right side
    54,842.28x = 2,247,153,187.45
  5. Step 5: Solve for x
    x = 2,247,153,187.45/54,842.28
  6. Step 6: Final answer
    x = 40,974.83

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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.