Home / 49,067.28-67,703.60-28,930.48

Finding the Fourth Proportional to 49,067.28, 67,703.60 and 28,930.48

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Solution

The fourth proportional to 49,067.28, 67,703.60 and 28,930.48 is: 39,918.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,067.28 : 67,703.60 = 28,930.48 : x
  2. Step 2: Convert to fraction form
    49,067.28/67,703.60 = 28,930.48/x
  3. Step 3: Cross multiply
    49,067.28x = 67,703.60 × 28,930.48
  4. Step 4: Simplify right side
    49,067.28x = 1,958,697,645.73
  5. Step 5: Solve for x
    x = 1,958,697,645.73/49,067.28
  6. Step 6: Final answer
    x = 39,918.61

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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.