Home / 80,149.23-120,251.48-35,806.59

Finding the Fourth Proportional to 80,149.23, 120,251.48 and 35,806.59

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Solution

The fourth proportional to 80,149.23, 120,251.48 and 35,806.59 is: 53,722.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,149.23 : 120,251.48 = 35,806.59 : x
  2. Step 2: Convert to fraction form
    80,149.23/120,251.48 = 35,806.59/x
  3. Step 3: Cross multiply
    80,149.23x = 120,251.48 × 35,806.59
  4. Step 4: Simplify right side
    80,149.23x = 4,305,795,262.22
  5. Step 5: Solve for x
    x = 4,305,795,262.22/80,149.23
  6. Step 6: Final answer
    x = 53,722.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.