Home / 54,542.62-81,800.43-38,701.54

Finding the Fourth Proportional to 54,542.62, 81,800.43 and 38,701.54

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Solution

The fourth proportional to 54,542.62, 81,800.43 and 38,701.54 is: 58,042.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,542.62 : 81,800.43 = 38,701.54 : x
  2. Step 2: Convert to fraction form
    54,542.62/81,800.43 = 38,701.54/x
  3. Step 3: Cross multiply
    54,542.62x = 81,800.43 × 38,701.54
  4. Step 4: Simplify right side
    54,542.62x = 3,165,802,613.66
  5. Step 5: Solve for x
    x = 3,165,802,613.66/54,542.62
  6. Step 6: Final answer
    x = 58,042.73

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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.