Home / 80,209.68-110,622.24-60,113.76

Finding the Fourth Proportional to 80,209.68, 110,622.24 and 60,113.76

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Solution

The fourth proportional to 80,209.68, 110,622.24 and 60,113.76 is: 82,906.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,209.68 : 110,622.24 = 60,113.76 : x
  2. Step 2: Convert to fraction form
    80,209.68/110,622.24 = 60,113.76/x
  3. Step 3: Cross multiply
    80,209.68x = 110,622.24 × 60,113.76
  4. Step 4: Simplify right side
    80,209.68x = 6,649,918,786.02
  5. Step 5: Solve for x
    x = 6,649,918,786.02/80,209.68
  6. Step 6: Final answer
    x = 82,906.69

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1.5x scale

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.