Home / 54,163.20-81,201.60-22,972.80

Finding the Fourth Proportional to 54,163.20, 81,201.60 and 22,972.80

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Solution

The fourth proportional to 54,163.20, 81,201.60 and 22,972.80 is: 34,440.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,163.20 : 81,201.60 = 22,972.80 : x
  2. Step 2: Convert to fraction form
    54,163.20/81,201.60 = 22,972.80/x
  3. Step 3: Cross multiply
    54,163.20x = 81,201.60 × 22,972.80
  4. Step 4: Simplify right side
    54,163.20x = 1,865,428,116.48
  5. Step 5: Solve for x
    x = 1,865,428,116.48/54,163.20
  6. Step 6: Final answer
    x = 34,440.88

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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.