Home / 45,067.78-67,596.51-11,791.06

Finding the Fourth Proportional to 45,067.78, 67,596.51 and 11,791.06

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Solution

The fourth proportional to 45,067.78, 67,596.51 and 11,791.06 is: 17,685.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,067.78 : 67,596.51 = 11,791.06 : x
  2. Step 2: Convert to fraction form
    45,067.78/67,596.51 = 11,791.06/x
  3. Step 3: Cross multiply
    45,067.78x = 67,596.51 × 11,791.06
  4. Step 4: Simplify right side
    45,067.78x = 797,034,291.99
  5. Step 5: Solve for x
    x = 797,034,291.99/45,067.78
  6. Step 6: Final answer
    x = 17,685.23

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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.