Home / 81,512.24-122,260.17-22,353.86

Finding the Fourth Proportional to 81,512.24, 122,260.17 and 22,353.86

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Solution

The fourth proportional to 81,512.24, 122,260.17 and 22,353.86 is: 33,528.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,512.24 : 122,260.17 = 22,353.86 : x
  2. Step 2: Convert to fraction form
    81,512.24/122,260.17 = 22,353.86/x
  3. Step 3: Cross multiply
    81,512.24x = 122,260.17 × 22,353.86
  4. Step 4: Simplify right side
    81,512.24x = 2,732,986,723.76
  5. Step 5: Solve for x
    x = 2,732,986,723.76/81,512.24
  6. Step 6: Final answer
    x = 33,528.54

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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.