Home / 54,781.92-82,164.78-15,336.54

Finding the Fourth Proportional to 54,781.92, 82,164.78 and 15,336.54

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Solution

The fourth proportional to 54,781.92, 82,164.78 and 15,336.54 is: 23,002.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,781.92 : 82,164.78 = 15,336.54 : x
  2. Step 2: Convert to fraction form
    54,781.92/82,164.78 = 15,336.54/x
  3. Step 3: Cross multiply
    54,781.92x = 82,164.78 × 15,336.54
  4. Step 4: Simplify right side
    54,781.92x = 1,260,123,435.06
  5. Step 5: Solve for x
    x = 1,260,123,435.06/54,781.92
  6. Step 6: Final answer
    x = 23,002.54

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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.