Home / 50,105.52-75,158.15-20,523.38

Finding the Fourth Proportional to 50,105.52, 75,158.15 and 20,523.38

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Solution

The fourth proportional to 50,105.52, 75,158.15 and 20,523.38 is: 30,785.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,105.52 : 75,158.15 = 20,523.38 : x
  2. Step 2: Convert to fraction form
    50,105.52/75,158.15 = 20,523.38/x
  3. Step 3: Cross multiply
    50,105.52x = 75,158.15 × 20,523.38
  4. Step 4: Simplify right side
    50,105.52x = 1,542,498,794.14
  5. Step 5: Solve for x
    x = 1,542,498,794.14/50,105.52
  6. Step 6: Final answer
    x = 30,785.01

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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.