Home / 83,470.47-125,179.27-27,297.60

Finding the Fourth Proportional to 83,470.47, 125,179.27 and 27,297.60

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Solution

The fourth proportional to 83,470.47, 125,179.27 and 27,297.60 is: 40,937.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,470.47 : 125,179.27 = 27,297.60 : x
  2. Step 2: Convert to fraction form
    83,470.47/125,179.27 = 27,297.60/x
  3. Step 3: Cross multiply
    83,470.47x = 125,179.27 × 27,297.60
  4. Step 4: Simplify right side
    83,470.47x = 3,417,093,640.75
  5. Step 5: Solve for x
    x = 3,417,093,640.75/83,470.47
  6. Step 6: Final answer
    x = 40,937.75

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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.