Home / 80,570.28-111,190.68-44,759.10

Finding the Fourth Proportional to 80,570.28, 111,190.68 and 44,759.10

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Solution

The fourth proportional to 80,570.28, 111,190.68 and 44,759.10 is: 61,769.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,570.28 : 111,190.68 = 44,759.10 : x
  2. Step 2: Convert to fraction form
    80,570.28/111,190.68 = 44,759.10/x
  3. Step 3: Cross multiply
    80,570.28x = 111,190.68 × 44,759.10
  4. Step 4: Simplify right side
    80,570.28x = 4,976,794,765.19
  5. Step 5: Solve for x
    x = 4,976,794,765.19/80,570.28
  6. Step 6: Final answer
    x = 61,769.61

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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.