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Finding the Fourth Proportional to 67,009.01, 100,502.57 and 22,634.78

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Solution

The fourth proportional to 67,009.01, 100,502.57 and 22,634.78 is: 33,948.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,009.01 : 100,502.57 = 22,634.78 : x
  2. Step 2: Convert to fraction form
    67,009.01/100,502.57 = 22,634.78/x
  3. Step 3: Cross multiply
    67,009.01x = 100,502.57 × 22,634.78
  4. Step 4: Simplify right side
    67,009.01x = 2,274,853,115.46
  5. Step 5: Solve for x
    x = 2,274,853,115.46/67,009.01
  6. Step 6: Final answer
    x = 33,948.47

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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.