Home / 54,167.92-81,265.14-18,629.80

Finding the Fourth Proportional to 54,167.92, 81,265.14 and 18,629.80

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Solution

The fourth proportional to 54,167.92, 81,265.14 and 18,629.80 is: 27,949.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,167.92 : 81,265.14 = 18,629.80 : x
  2. Step 2: Convert to fraction form
    54,167.92/81,265.14 = 18,629.80/x
  3. Step 3: Cross multiply
    54,167.92x = 81,265.14 × 18,629.80
  4. Step 4: Simplify right side
    54,167.92x = 1,513,953,305.17
  5. Step 5: Solve for x
    x = 1,513,953,305.17/54,167.92
  6. Step 6: Final answer
    x = 27,949.26

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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.