Home / 54,702.28-75,489.20-29,551.80

Finding the Fourth Proportional to 54,702.28, 75,489.20 and 29,551.80

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Solution

The fourth proportional to 54,702.28, 75,489.20 and 29,551.80 is: 40,781.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,702.28 : 75,489.20 = 29,551.80 : x
  2. Step 2: Convert to fraction form
    54,702.28/75,489.20 = 29,551.80/x
  3. Step 3: Cross multiply
    54,702.28x = 75,489.20 × 29,551.80
  4. Step 4: Simplify right side
    54,702.28x = 2,230,841,740.56
  5. Step 5: Solve for x
    x = 2,230,841,740.56/54,702.28
  6. Step 6: Final answer
    x = 40,781.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.