Home / 49,067.76-67,722.34-28,923.44

Finding the Fourth Proportional to 49,067.76, 67,722.34 and 28,923.44

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Solution

The fourth proportional to 49,067.76, 67,722.34 and 28,923.44 is: 39,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,067.76 : 67,722.34 = 28,923.44 : x
  2. Step 2: Convert to fraction form
    49,067.76/67,722.34 = 28,923.44/x
  3. Step 3: Cross multiply
    49,067.76x = 67,722.34 × 28,923.44
  4. Step 4: Simplify right side
    49,067.76x = 1,958,763,037.65
  5. Step 5: Solve for x
    x = 1,958,763,037.65/49,067.76
  6. Step 6: Final answer
    x = 39,919.55

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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.