Home / 83,694.56-125,515.20-27,521.72

Finding the Fourth Proportional to 83,694.56, 125,515.20 and 27,521.72

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Solution

The fourth proportional to 83,694.56, 125,515.20 and 27,521.72 is: 41,273.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,694.56 : 125,515.20 = 27,521.72 : x
  2. Step 2: Convert to fraction form
    83,694.56/125,515.20 = 27,521.72/x
  3. Step 3: Cross multiply
    83,694.56x = 125,515.20 × 27,521.72
  4. Step 4: Simplify right side
    83,694.56x = 3,454,394,190.14
  5. Step 5: Solve for x
    x = 3,454,394,190.14/83,694.56
  6. Step 6: Final answer
    x = 41,273.82

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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.