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Finding the Fourth Proportional to 71,411.52, 98,546.22 and 41,196.90

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Solution

The fourth proportional to 71,411.52, 98,546.22 and 41,196.90 is: 56,850.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,411.52 : 98,546.22 = 41,196.90 : x
  2. Step 2: Convert to fraction form
    71,411.52/98,546.22 = 41,196.90/x
  3. Step 3: Cross multiply
    71,411.52x = 98,546.22 × 41,196.90
  4. Step 4: Simplify right side
    71,411.52x = 4,059,798,770.72
  5. Step 5: Solve for x
    x = 4,059,798,770.72/71,411.52
  6. Step 6: Final answer
    x = 56,850.75

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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.