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Finding the Fourth Proportional to 71,474.77, 98,639.66 and 41,265.55

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Solution

The fourth proportional to 71,474.77, 98,639.66 and 41,265.55 is: 56,949.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,474.77 : 98,639.66 = 41,265.55 : x
  2. Step 2: Convert to fraction form
    71,474.77/98,639.66 = 41,265.55/x
  3. Step 3: Cross multiply
    71,474.77x = 98,639.66 × 41,265.55
  4. Step 4: Simplify right side
    71,474.77x = 4,070,419,122.19
  5. Step 5: Solve for x
    x = 4,070,419,122.19/71,474.77
  6. Step 6: Final answer
    x = 56,949.04

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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.