Home / 80,469.63-111,013.38-48,620.07

Finding the Fourth Proportional to 80,469.63, 111,013.38 and 48,620.07

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Solution

The fourth proportional to 80,469.63, 111,013.38 and 48,620.07 is: 67,074.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,469.63 : 111,013.38 = 48,620.07 : x
  2. Step 2: Convert to fraction form
    80,469.63/111,013.38 = 48,620.07/x
  3. Step 3: Cross multiply
    80,469.63x = 111,013.38 × 48,620.07
  4. Step 4: Simplify right side
    80,469.63x = 5,397,478,306.54
  5. Step 5: Solve for x
    x = 5,397,478,306.54/80,469.63
  6. Step 6: Final answer
    x = 67,074.73

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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.