Home / 92,131.38-137,524.19-79,067.70

Finding the Fourth Proportional to 92,131.38, 137,524.19 and 79,067.70

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Solution

The fourth proportional to 92,131.38, 137,524.19 and 79,067.70 is: 118,024.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,131.38 : 137,524.19 = 79,067.70 : x
  2. Step 2: Convert to fraction form
    92,131.38/137,524.19 = 79,067.70/x
  3. Step 3: Cross multiply
    92,131.38x = 137,524.19 × 79,067.70
  4. Step 4: Simplify right side
    92,131.38x = 10,873,721,397.66
  5. Step 5: Solve for x
    x = 10,873,721,397.66/92,131.38
  6. Step 6: Final answer
    x = 118,024.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.