Home / 80,722.64-111,402.57-44,912.73

Finding the Fourth Proportional to 80,722.64, 111,402.57 and 44,912.73

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Solution

The fourth proportional to 80,722.64, 111,402.57 and 44,912.73 is: 61,982.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,722.64 : 111,402.57 = 44,912.73 : x
  2. Step 2: Convert to fraction form
    80,722.64/111,402.57 = 44,912.73/x
  3. Step 3: Cross multiply
    80,722.64x = 111,402.57 × 44,912.73
  4. Step 4: Simplify right side
    80,722.64x = 5,003,394,133.90
  5. Step 5: Solve for x
    x = 5,003,394,133.90/80,722.64
  6. Step 6: Final answer
    x = 61,982.54

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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.