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Finding the Fourth Proportional to 71,197.68, 98,244 and 39,367.20

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Solution

The fourth proportional to 71,197.68, 98,244 and 39,367.20 is: 54,321.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,197.68 : 98,244 = 39,367.20 : x
  2. Step 2: Convert to fraction form
    71,197.68/98,244 = 39,367.20/x
  3. Step 3: Cross multiply
    71,197.68x = 98,244 × 39,367.20
  4. Step 4: Simplify right side
    71,197.68x = 3,867,591,196.80
  5. Step 5: Solve for x
    x = 3,867,591,196.80/71,197.68
  6. Step 6: Final answer
    x = 54,321.87

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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.