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Finding the Fourth Proportional to 67,380, 101,104.10 and 44,906.02

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Solution

The fourth proportional to 67,380, 101,104.10 and 44,906.02 is: 67,381.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,380 : 101,104.10 = 44,906.02 : x
  2. Step 2: Convert to fraction form
    67,380/101,104.10 = 44,906.02/x
  3. Step 3: Cross multiply
    67,380x = 101,104.10 × 44,906.02
  4. Step 4: Simplify right side
    67,380x = 4,540,182,736.68
  5. Step 5: Solve for x
    x = 4,540,182,736.68/67,380
  6. Step 6: Final answer
    x = 67,381.76

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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.