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Finding the Fourth Proportional to 64,605.87, 96,902.73 and 22,475.88

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Solution

The fourth proportional to 64,605.87, 96,902.73 and 22,475.88 is: 33,711.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,605.87 : 96,902.73 = 22,475.88 : x
  2. Step 2: Convert to fraction form
    64,605.87/96,902.73 = 22,475.88/x
  3. Step 3: Cross multiply
    64,605.87x = 96,902.73 × 22,475.88
  4. Step 4: Simplify right side
    64,605.87x = 2,177,974,131.15
  5. Step 5: Solve for x
    x = 2,177,974,131.15/64,605.87
  6. Step 6: Final answer
    x = 33,711.71

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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.