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Finding the Fourth Proportional to 81,952.68, 122,950.15 and 44,503.14

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Solution

The fourth proportional to 81,952.68, 122,950.15 and 44,503.14 is: 66,766.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,952.68 : 122,950.15 = 44,503.14 : x
  2. Step 2: Convert to fraction form
    81,952.68/122,950.15 = 44,503.14/x
  3. Step 3: Cross multiply
    81,952.68x = 122,950.15 × 44,503.14
  4. Step 4: Simplify right side
    81,952.68x = 5,471,667,738.47
  5. Step 5: Solve for x
    x = 5,471,667,738.47/81,952.68
  6. Step 6: Final answer
    x = 66,766.18

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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.