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Finding the Fourth Proportional to 68,544, 102,769.16 and 36,527.90

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Solution

The fourth proportional to 68,544, 102,769.16 and 36,527.90 is: 54,766.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,544 : 102,769.16 = 36,527.90 : x
  2. Step 2: Convert to fraction form
    68,544/102,769.16 = 36,527.90/x
  3. Step 3: Cross multiply
    68,544x = 102,769.16 × 36,527.90
  4. Step 4: Simplify right side
    68,544x = 3,753,940,903.08
  5. Step 5: Solve for x
    x = 3,753,940,903.08/68,544
  6. Step 6: Final answer
    x = 54,766.88

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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.