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Finding the Fourth Proportional to 63,339.28, 95,008.92 and 51,478.73

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Solution

The fourth proportional to 63,339.28, 95,008.92 and 51,478.73 is: 77,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,339.28 : 95,008.92 = 51,478.73 : x
  2. Step 2: Convert to fraction form
    63,339.28/95,008.92 = 51,478.73/x
  3. Step 3: Cross multiply
    63,339.28x = 95,008.92 × 51,478.73
  4. Step 4: Simplify right side
    63,339.28x = 4,890,938,804.68
  5. Step 5: Solve for x
    x = 4,890,938,804.68/63,339.28
  6. Step 6: Final answer
    x = 77,218.10

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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.