Home / 82,456.70-113,770.62-50,190.97

Finding the Fourth Proportional to 82,456.70, 113,770.62 and 50,190.97

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Solution

The fourth proportional to 82,456.70, 113,770.62 and 50,190.97 is: 69,251.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,456.70 : 113,770.62 = 50,190.97 : x
  2. Step 2: Convert to fraction form
    82,456.70/113,770.62 = 50,190.97/x
  3. Step 3: Cross multiply
    82,456.70x = 113,770.62 × 50,190.97
  4. Step 4: Simplify right side
    82,456.70x = 5,710,257,190.12
  5. Step 5: Solve for x
    x = 5,710,257,190.12/82,456.70
  6. Step 6: Final answer
    x = 69,251.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.