Home / 80,591.76-111,215.16-44,781.12

Finding the Fourth Proportional to 80,591.76, 111,215.16 and 44,781.12

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Solution

The fourth proportional to 80,591.76, 111,215.16 and 44,781.12 is: 61,797.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,591.76 : 111,215.16 = 44,781.12 : x
  2. Step 2: Convert to fraction form
    80,591.76/111,215.16 = 44,781.12/x
  3. Step 3: Cross multiply
    80,591.76x = 111,215.16 × 44,781.12
  4. Step 4: Simplify right side
    80,591.76x = 4,980,339,425.78
  5. Step 5: Solve for x
    x = 4,980,339,425.78/80,591.76
  6. Step 6: Final answer
    x = 61,797.13

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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.