Home / 50,650.20-69,896.97-27,990.05

Finding the Fourth Proportional to 50,650.20, 69,896.97 and 27,990.05

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Solution

The fourth proportional to 50,650.20, 69,896.97 and 27,990.05 is: 38,626.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,650.20 : 69,896.97 = 27,990.05 : x
  2. Step 2: Convert to fraction form
    50,650.20/69,896.97 = 27,990.05/x
  3. Step 3: Cross multiply
    50,650.20x = 69,896.97 × 27,990.05
  4. Step 4: Simplify right side
    50,650.20x = 1,956,419,335.66
  5. Step 5: Solve for x
    x = 1,956,419,335.66/50,650.20
  6. Step 6: Final answer
    x = 38,626.09

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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.