Home / 81,906.34-122,701.94-50,223.92

Finding the Fourth Proportional to 81,906.34, 122,701.94 and 50,223.92

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Solution

The fourth proportional to 81,906.34, 122,701.94 and 50,223.92 is: 75,239.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,906.34 : 122,701.94 = 50,223.92 : x
  2. Step 2: Convert to fraction form
    81,906.34/122,701.94 = 50,223.92/x
  3. Step 3: Cross multiply
    81,906.34x = 122,701.94 × 50,223.92
  4. Step 4: Simplify right side
    81,906.34x = 6,162,572,777.41
  5. Step 5: Solve for x
    x = 6,162,572,777.41/81,906.34
  6. Step 6: Final answer
    x = 75,239.27

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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.