Home / 71,578.26-107,337.42-27,180.54

Finding the Fourth Proportional to 71,578.26, 107,337.42 and 27,180.54

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Solution

The fourth proportional to 71,578.26, 107,337.42 and 27,180.54 is: 40,759.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,578.26 : 107,337.42 = 27,180.54 : x
  2. Step 2: Convert to fraction form
    71,578.26/107,337.42 = 27,180.54/x
  3. Step 3: Cross multiply
    71,578.26x = 107,337.42 × 27,180.54
  4. Step 4: Simplify right side
    71,578.26x = 2,917,489,037.81
  5. Step 5: Solve for x
    x = 2,917,489,037.81/71,578.26
  6. Step 6: Final answer
    x = 40,759.43

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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.