Home / 80,601.74-120,996.02-43,234.79

Finding the Fourth Proportional to 80,601.74, 120,996.02 and 43,234.79

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Solution

The fourth proportional to 80,601.74, 120,996.02 and 43,234.79 is: 64,902.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,601.74 : 120,996.02 = 43,234.79 : x
  2. Step 2: Convert to fraction form
    80,601.74/120,996.02 = 43,234.79/x
  3. Step 3: Cross multiply
    80,601.74x = 120,996.02 × 43,234.79
  4. Step 4: Simplify right side
    80,601.74x = 5,231,237,515.54
  5. Step 5: Solve for x
    x = 5,231,237,515.54/80,601.74
  6. Step 6: Final answer
    x = 64,902.29

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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.