Home / 84,105.98-126,016.15-50,755.96

Finding the Fourth Proportional to 84,105.98, 126,016.15 and 50,755.96

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Solution

The fourth proportional to 84,105.98, 126,016.15 and 50,755.96 is: 76,047.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,105.98 : 126,016.15 = 50,755.96 : x
  2. Step 2: Convert to fraction form
    84,105.98/126,016.15 = 50,755.96/x
  3. Step 3: Cross multiply
    84,105.98x = 126,016.15 × 50,755.96
  4. Step 4: Simplify right side
    84,105.98x = 6,396,070,668.75
  5. Step 5: Solve for x
    x = 6,396,070,668.75/84,105.98
  6. Step 6: Final answer
    x = 76,047.75

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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.