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Finding the Fourth Proportional to 67,369.10, 100,922.38 and 41,008.46

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Solution

The fourth proportional to 67,369.10, 100,922.38 and 41,008.46 is: 61,432.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,369.10 : 100,922.38 = 41,008.46 : x
  2. Step 2: Convert to fraction form
    67,369.10/100,922.38 = 41,008.46/x
  3. Step 3: Cross multiply
    67,369.10x = 100,922.38 × 41,008.46
  4. Step 4: Simplify right side
    67,369.10x = 4,138,671,383.33
  5. Step 5: Solve for x
    x = 4,138,671,383.33/67,369.10
  6. Step 6: Final answer
    x = 61,432.78

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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.