Home / 83,321.10-125,001.45-27,161.58

Finding the Fourth Proportional to 83,321.10, 125,001.45 and 27,161.58

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Solution

The fourth proportional to 83,321.10, 125,001.45 and 27,161.58 is: 40,748.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,321.10 : 125,001.45 = 27,161.58 : x
  2. Step 2: Convert to fraction form
    83,321.10/125,001.45 = 27,161.58/x
  3. Step 3: Cross multiply
    83,321.10x = 125,001.45 × 27,161.58
  4. Step 4: Simplify right side
    83,321.10x = 3,395,236,884.29
  5. Step 5: Solve for x
    x = 3,395,236,884.29/83,321.10
  6. Step 6: Final answer
    x = 40,748.82

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1.5x scale

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.