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Finding the Fourth Proportional to 63,805.49, 95,759.26 and 28,747.88

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Solution

The fourth proportional to 63,805.49, 95,759.26 and 28,747.88 is: 43,144.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,805.49 : 95,759.26 = 28,747.88 : x
  2. Step 2: Convert to fraction form
    63,805.49/95,759.26 = 28,747.88/x
  3. Step 3: Cross multiply
    63,805.49x = 95,759.26 × 28,747.88
  4. Step 4: Simplify right side
    63,805.49x = 2,752,875,092.83
  5. Step 5: Solve for x
    x = 2,752,875,092.83/63,805.49
  6. Step 6: Final answer
    x = 43,144.80

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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.