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Finding the Fourth Proportional to 71,294.60, 98,396.92 and 41,074.04

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Solution

The fourth proportional to 71,294.60, 98,396.92 and 41,074.04 is: 56,688.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,294.60 : 98,396.92 = 41,074.04 : x
  2. Step 2: Convert to fraction form
    71,294.60/98,396.92 = 41,074.04/x
  3. Step 3: Cross multiply
    71,294.60x = 98,396.92 × 41,074.04
  4. Step 4: Simplify right side
    71,294.60x = 4,041,559,027.96
  5. Step 5: Solve for x
    x = 4,041,559,027.96/71,294.60
  6. Step 6: Final answer
    x = 56,688.15

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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.