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Finding the Fourth Proportional to 67,910.10, 101,865.15 and 50,414.10

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Solution

The fourth proportional to 67,910.10, 101,865.15 and 50,414.10 is: 75,621.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,910.10 : 101,865.15 = 50,414.10 : x
  2. Step 2: Convert to fraction form
    67,910.10/101,865.15 = 50,414.10/x
  3. Step 3: Cross multiply
    67,910.10x = 101,865.15 × 50,414.10
  4. Step 4: Simplify right side
    67,910.10x = 5,135,439,858.62
  5. Step 5: Solve for x
    x = 5,135,439,858.62/67,910.10
  6. Step 6: Final answer
    x = 75,621.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.