Home / 80,552.72-120,704.88-43,117.76

Finding the Fourth Proportional to 80,552.72, 120,704.88 and 43,117.76

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Solution

The fourth proportional to 80,552.72, 120,704.88 and 43,117.76 is: 64,610.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,552.72 : 120,704.88 = 43,117.76 : x
  2. Step 2: Convert to fraction form
    80,552.72/120,704.88 = 43,117.76/x
  3. Step 3: Cross multiply
    80,552.72x = 120,704.88 × 43,117.76
  4. Step 4: Simplify right side
    80,552.72x = 5,204,524,046.67
  5. Step 5: Solve for x
    x = 5,204,524,046.67/80,552.72
  6. Step 6: Final answer
    x = 64,610.16

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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.