Home / 50,540.60-75,701.55-27,139.70

Finding the Fourth Proportional to 50,540.60, 75,701.55 and 27,139.70

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Solution

The fourth proportional to 50,540.60, 75,701.55 and 27,139.70 is: 40,650.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,540.60 : 75,701.55 = 27,139.70 : x
  2. Step 2: Convert to fraction form
    50,540.60/75,701.55 = 27,139.70/x
  3. Step 3: Cross multiply
    50,540.60x = 75,701.55 × 27,139.70
  4. Step 4: Simplify right side
    50,540.60x = 2,054,517,356.54
  5. Step 5: Solve for x
    x = 2,054,517,356.54/50,540.60
  6. Step 6: Final answer
    x = 40,650.83

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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.