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Finding the Fourth Proportional to 71,298.75, 98,414.13 and 41,104.22

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Solution

The fourth proportional to 71,298.75, 98,414.13 and 41,104.22 is: 56,736.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,298.75 : 98,414.13 = 41,104.22 : x
  2. Step 2: Convert to fraction form
    71,298.75/98,414.13 = 41,104.22/x
  3. Step 3: Cross multiply
    71,298.75x = 98,414.13 × 41,104.22
  4. Step 4: Simplify right side
    71,298.75x = 4,045,235,558.56
  5. Step 5: Solve for x
    x = 4,045,235,558.56/71,298.75
  6. Step 6: Final answer
    x = 56,736.42

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1.5x scale

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.