Home / 63,761.52-95,638.96-19,387.28

Finding the Fourth Proportional to 63,761.52, 95,638.96 and 19,387.28

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Solution

The fourth proportional to 63,761.52, 95,638.96 and 19,387.28 is: 29,079.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,761.52 : 95,638.96 = 19,387.28 : x
  2. Step 2: Convert to fraction form
    63,761.52/95,638.96 = 19,387.28/x
  3. Step 3: Cross multiply
    63,761.52x = 95,638.96 × 19,387.28
  4. Step 4: Simplify right side
    63,761.52x = 1,854,179,296.43
  5. Step 5: Solve for x
    x = 1,854,179,296.43/63,761.52
  6. Step 6: Final answer
    x = 29,079.91

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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.