Home / 83,238.17-124,858.41-27,078.57

Finding the Fourth Proportional to 83,238.17, 124,858.41 and 27,078.57

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Solution

The fourth proportional to 83,238.17, 124,858.41 and 27,078.57 is: 40,618.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,238.17 : 124,858.41 = 27,078.57 : x
  2. Step 2: Convert to fraction form
    83,238.17/124,858.41 = 27,078.57/x
  3. Step 3: Cross multiply
    83,238.17x = 124,858.41 × 27,078.57
  4. Step 4: Simplify right side
    83,238.17x = 3,380,987,195.27
  5. Step 5: Solve for x
    x = 3,380,987,195.27/83,238.17
  6. Step 6: Final answer
    x = 40,618.23

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1.5x scale

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.