Home / 80,489.33-111,073.23-44,190.60

Finding the Fourth Proportional to 80,489.33, 111,073.23 and 44,190.60

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Solution

The fourth proportional to 80,489.33, 111,073.23 and 44,190.60 is: 60,981.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,489.33 : 111,073.23 = 44,190.60 : x
  2. Step 2: Convert to fraction form
    80,489.33/111,073.23 = 44,190.60/x
  3. Step 3: Cross multiply
    80,489.33x = 111,073.23 × 44,190.60
  4. Step 4: Simplify right side
    80,489.33x = 4,908,392,122.27
  5. Step 5: Solve for x
    x = 4,908,392,122.27/80,489.33
  6. Step 6: Final answer
    x = 60,981.90

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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.