Home / 79,076.13-118,620.26-22,917

Finding the Fourth Proportional to 79,076.13, 118,620.26 and 22,917

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Solution

The fourth proportional to 79,076.13, 118,620.26 and 22,917 is: 34,377.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,076.13 : 118,620.26 = 22,917 : x
  2. Step 2: Convert to fraction form
    79,076.13/118,620.26 = 22,917/x
  3. Step 3: Cross multiply
    79,076.13x = 118,620.26 × 22,917
  4. Step 4: Simplify right side
    79,076.13x = 2,718,420,498.42
  5. Step 5: Solve for x
    x = 2,718,420,498.42/79,076.13
  6. Step 6: Final answer
    x = 34,377.26

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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.