Home / 80,423.15-110,911.32-50,211.27

Finding the Fourth Proportional to 80,423.15, 110,911.32 and 50,211.27

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Solution

The fourth proportional to 80,423.15, 110,911.32 and 50,211.27 is: 69,246.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,423.15 : 110,911.32 = 50,211.27 : x
  2. Step 2: Convert to fraction form
    80,423.15/110,911.32 = 50,211.27/x
  3. Step 3: Cross multiply
    80,423.15x = 110,911.32 × 50,211.27
  4. Step 4: Simplify right side
    80,423.15x = 5,568,998,234.58
  5. Step 5: Solve for x
    x = 5,568,998,234.58/80,423.15
  6. Step 6: Final answer
    x = 69,246.21

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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.