Home / 91,481.43-126,257.66-52,711.71

Finding the Fourth Proportional to 91,481.43, 126,257.66 and 52,711.71

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Solution

The fourth proportional to 91,481.43, 126,257.66 and 52,711.71 is: 72,749.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,481.43 : 126,257.66 = 52,711.71 : x
  2. Step 2: Convert to fraction form
    91,481.43/126,257.66 = 52,711.71/x
  3. Step 3: Cross multiply
    91,481.43x = 126,257.66 × 52,711.71
  4. Step 4: Simplify right side
    91,481.43x = 6,655,257,144.73
  5. Step 5: Solve for x
    x = 6,655,257,144.73/91,481.43
  6. Step 6: Final answer
    x = 72,749.81

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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.