Home / 84,314.03-126,456.46-31,723.97

Finding the Fourth Proportional to 84,314.03, 126,456.46 and 31,723.97

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Solution

The fourth proportional to 84,314.03, 126,456.46 and 31,723.97 is: 47,580.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,314.03 : 126,456.46 = 31,723.97 : x
  2. Step 2: Convert to fraction form
    84,314.03/126,456.46 = 31,723.97/x
  3. Step 3: Cross multiply
    84,314.03x = 126,456.46 × 31,723.97
  4. Step 4: Simplify right side
    84,314.03x = 4,011,700,231.75
  5. Step 5: Solve for x
    x = 4,011,700,231.75/84,314.03
  6. Step 6: Final answer
    x = 47,580.46

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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.