Home / 49,067.36-67,721.82-28,923.08

Finding the Fourth Proportional to 49,067.36, 67,721.82 and 28,923.08

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Solution

The fourth proportional to 49,067.36, 67,721.82 and 28,923.08 is: 39,919.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,067.36 : 67,721.82 = 28,923.08 : x
  2. Step 2: Convert to fraction form
    49,067.36/67,721.82 = 28,923.08/x
  3. Step 3: Cross multiply
    49,067.36x = 67,721.82 × 28,923.08
  4. Step 4: Simplify right side
    49,067.36x = 1,958,723,617.61
  5. Step 5: Solve for x
    x = 1,958,723,617.61/49,067.36
  6. Step 6: Final answer
    x = 39,919.07

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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.