Home / 82,944.20-124,416.30-41,385.80

Finding the Fourth Proportional to 82,944.20, 124,416.30 and 41,385.80

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Solution

The fourth proportional to 82,944.20, 124,416.30 and 41,385.80 is: 62,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944.20 : 124,416.30 = 41,385.80 : x
  2. Step 2: Convert to fraction form
    82,944.20/124,416.30 = 41,385.80/x
  3. Step 3: Cross multiply
    82,944.20x = 124,416.30 × 41,385.80
  4. Step 4: Simplify right side
    82,944.20x = 5,149,068,108.54
  5. Step 5: Solve for x
    x = 5,149,068,108.54/82,944.20
  6. Step 6: Final answer
    x = 62,078.70

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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.