Home / 54,540.92-81,704.46-28,262.90

Finding the Fourth Proportional to 54,540.92, 81,704.46 and 28,262.90

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Solution

The fourth proportional to 54,540.92, 81,704.46 and 28,262.90 is: 42,338.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,540.92 : 81,704.46 = 28,262.90 : x
  2. Step 2: Convert to fraction form
    54,540.92/81,704.46 = 28,262.90/x
  3. Step 3: Cross multiply
    54,540.92x = 81,704.46 × 28,262.90
  4. Step 4: Simplify right side
    54,540.92x = 2,309,204,982.53
  5. Step 5: Solve for x
    x = 2,309,204,982.53/54,540.92
  6. Step 6: Final answer
    x = 42,338.94

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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.