Home / 42,766.54-64,149.79-19,067.97

Finding the Fourth Proportional to 42,766.54, 64,149.79 and 19,067.97

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Solution

The fourth proportional to 42,766.54, 64,149.79 and 19,067.97 is: 28,601.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,766.54 : 64,149.79 = 19,067.97 : x
  2. Step 2: Convert to fraction form
    42,766.54/64,149.79 = 19,067.97/x
  3. Step 3: Cross multiply
    42,766.54x = 64,149.79 × 19,067.97
  4. Step 4: Simplify right side
    42,766.54x = 1,223,206,271.23
  5. Step 5: Solve for x
    x = 1,223,206,271.23/42,766.54
  6. Step 6: Final answer
    x = 28,601.95

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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.