Home / 54,781.71-82,175.48-17,345.75

Finding the Fourth Proportional to 54,781.71, 82,175.48 and 17,345.75

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Solution

The fourth proportional to 54,781.71, 82,175.48 and 17,345.75 is: 26,019.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,781.71 : 82,175.48 = 17,345.75 : x
  2. Step 2: Convert to fraction form
    54,781.71/82,175.48 = 17,345.75/x
  3. Step 3: Cross multiply
    54,781.71x = 82,175.48 × 17,345.75
  4. Step 4: Simplify right side
    54,781.71x = 1,425,394,834.60
  5. Step 5: Solve for x
    x = 1,425,394,834.60/54,781.71
  6. Step 6: Final answer
    x = 26,019.54

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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.