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Finding the Fourth Proportional to 67,385, 92,989.38 and 37,170.44

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Solution

The fourth proportional to 67,385, 92,989.38 and 37,170.44 is: 51,294.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,385 : 92,989.38 = 37,170.44 : x
  2. Step 2: Convert to fraction form
    67,385/92,989.38 = 37,170.44/x
  3. Step 3: Cross multiply
    67,385x = 92,989.38 × 37,170.44
  4. Step 4: Simplify right side
    67,385x = 3,456,456,169.93
  5. Step 5: Solve for x
    x = 3,456,456,169.93/67,385
  6. Step 6: Final answer
    x = 51,294.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.