Home / 74,227.38-111,339.50-18,067.80

Finding the Fourth Proportional to 74,227.38, 111,339.50 and 18,067.80

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Solution

The fourth proportional to 74,227.38, 111,339.50 and 18,067.80 is: 27,101.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,227.38 : 111,339.50 = 18,067.80 : x
  2. Step 2: Convert to fraction form
    74,227.38/111,339.50 = 18,067.80/x
  3. Step 3: Cross multiply
    74,227.38x = 111,339.50 × 18,067.80
  4. Step 4: Simplify right side
    74,227.38x = 2,011,659,519.00
  5. Step 5: Solve for x
    x = 2,011,659,519.00/74,227.38
  6. Step 6: Final answer
    x = 27,101.32

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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.