Home / 84,240.97-126,287.43-34,363.06

Finding the Fourth Proportional to 84,240.97, 126,287.43 and 34,363.06

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Solution

The fourth proportional to 84,240.97, 126,287.43 and 34,363.06 is: 51,514.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,240.97 : 126,287.43 = 34,363.06 : x
  2. Step 2: Convert to fraction form
    84,240.97/126,287.43 = 34,363.06/x
  3. Step 3: Cross multiply
    84,240.97x = 126,287.43 × 34,363.06
  4. Step 4: Simplify right side
    84,240.97x = 4,339,622,534.34
  5. Step 5: Solve for x
    x = 4,339,622,534.34/84,240.97
  6. Step 6: Final answer
    x = 51,514.39

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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.