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Finding the Fourth Proportional to 67,734.25, 101,189.42 and 43,847.20

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Solution

The fourth proportional to 67,734.25, 101,189.42 and 43,847.20 is: 65,504.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,734.25 : 101,189.42 = 43,847.20 : x
  2. Step 2: Convert to fraction form
    67,734.25/101,189.42 = 43,847.20/x
  3. Step 3: Cross multiply
    67,734.25x = 101,189.42 × 43,847.20
  4. Step 4: Simplify right side
    67,734.25x = 4,436,872,230.68
  5. Step 5: Solve for x
    x = 4,436,872,230.68/67,734.25
  6. Step 6: Final answer
    x = 65,504.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.