Home / 83,321.60-125,002.20-27,162.08

Finding the Fourth Proportional to 83,321.60, 125,002.20 and 27,162.08

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Solution

The fourth proportional to 83,321.60, 125,002.20 and 27,162.08 is: 40,749.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,321.60 : 125,002.20 = 27,162.08 : x
  2. Step 2: Convert to fraction form
    83,321.60/125,002.20 = 27,162.08/x
  3. Step 3: Cross multiply
    83,321.60x = 125,002.20 × 27,162.08
  4. Step 4: Simplify right side
    83,321.60x = 3,395,319,756.58
  5. Step 5: Solve for x
    x = 3,395,319,756.58/83,321.60
  6. Step 6: Final answer
    x = 40,749.57

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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.