Home / 84,344.28-126,514.39-27,418.11

Finding the Fourth Proportional to 84,344.28, 126,514.39 and 27,418.11

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Solution

The fourth proportional to 84,344.28, 126,514.39 and 27,418.11 is: 41,126.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,344.28 : 126,514.39 = 27,418.11 : x
  2. Step 2: Convert to fraction form
    84,344.28/126,514.39 = 27,418.11/x
  3. Step 3: Cross multiply
    84,344.28x = 126,514.39 × 27,418.11
  4. Step 4: Simplify right side
    84,344.28x = 3,468,785,461.60
  5. Step 5: Solve for x
    x = 3,468,785,461.60/84,344.28
  6. Step 6: Final answer
    x = 41,126.51

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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.