Home / 54,142.46-81,227.52-22,542.05

Finding the Fourth Proportional to 54,142.46, 81,227.52 and 22,542.05

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Solution

The fourth proportional to 54,142.46, 81,227.52 and 22,542.05 is: 33,818.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,142.46 : 81,227.52 = 22,542.05 : x
  2. Step 2: Convert to fraction form
    54,142.46/81,227.52 = 22,542.05/x
  3. Step 3: Cross multiply
    54,142.46x = 81,227.52 × 22,542.05
  4. Step 4: Simplify right side
    54,142.46x = 1,831,034,817.22
  5. Step 5: Solve for x
    x = 1,831,034,817.22/54,142.46
  6. Step 6: Final answer
    x = 33,818.83

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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.