Home / 80,016.04-120,099.38-40,601.44

Finding the Fourth Proportional to 80,016.04, 120,099.38 and 40,601.44

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Solution

The fourth proportional to 80,016.04, 120,099.38 and 40,601.44 is: 60,940.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,016.04 : 120,099.38 = 40,601.44 : x
  2. Step 2: Convert to fraction form
    80,016.04/120,099.38 = 40,601.44/x
  3. Step 3: Cross multiply
    80,016.04x = 120,099.38 × 40,601.44
  4. Step 4: Simplify right side
    80,016.04x = 4,876,206,967.60
  5. Step 5: Solve for x
    x = 4,876,206,967.60/80,016.04
  6. Step 6: Final answer
    x = 60,940.37

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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.