Home / 54,834.13-82,251.60-13,281.13

Finding the Fourth Proportional to 54,834.13, 82,251.60 and 13,281.13

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Solution

The fourth proportional to 54,834.13, 82,251.60 and 13,281.13 is: 19,921.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,834.13 : 82,251.60 = 13,281.13 : x
  2. Step 2: Convert to fraction form
    54,834.13/82,251.60 = 13,281.13/x
  3. Step 3: Cross multiply
    54,834.13x = 82,251.60 × 13,281.13
  4. Step 4: Simplify right side
    54,834.13x = 1,092,394,192.31
  5. Step 5: Solve for x
    x = 1,092,394,192.31/54,834.13
  6. Step 6: Final answer
    x = 19,921.79

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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.