Home / 79,740.91-110,042.20-43,930.61

Finding the Fourth Proportional to 79,740.91, 110,042.20 and 43,930.61

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Solution

The fourth proportional to 79,740.91, 110,042.20 and 43,930.61 is: 60,624.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,740.91 : 110,042.20 = 43,930.61 : x
  2. Step 2: Convert to fraction form
    79,740.91/110,042.20 = 43,930.61/x
  3. Step 3: Cross multiply
    79,740.91x = 110,042.20 × 43,930.61
  4. Step 4: Simplify right side
    79,740.91x = 4,834,220,201.88
  5. Step 5: Solve for x
    x = 4,834,220,201.88/79,740.91
  6. Step 6: Final answer
    x = 60,624.10

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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.