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Finding the Fourth Proportional to 63,761.89, 95,601.81 and 30,481.21

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Solution

The fourth proportional to 63,761.89, 95,601.81 and 30,481.21 is: 45,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,761.89 : 95,601.81 = 30,481.21 : x
  2. Step 2: Convert to fraction form
    63,761.89/95,601.81 = 30,481.21/x
  3. Step 3: Cross multiply
    63,761.89x = 95,601.81 × 30,481.21
  4. Step 4: Simplify right side
    63,761.89x = 2,914,058,846.99
  5. Step 5: Solve for x
    x = 2,914,058,846.99/63,761.89
  6. Step 6: Final answer
    x = 45,702.20

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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.