Home / 80,313.03-120,488.67-27,722.97

Finding the Fourth Proportional to 80,313.03, 120,488.67 and 27,722.97

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Solution

The fourth proportional to 80,313.03, 120,488.67 and 27,722.97 is: 41,591.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,313.03 : 120,488.67 = 27,722.97 : x
  2. Step 2: Convert to fraction form
    80,313.03/120,488.67 = 27,722.97/x
  3. Step 3: Cross multiply
    80,313.03x = 120,488.67 × 27,722.97
  4. Step 4: Simplify right side
    80,313.03x = 3,340,303,783.75
  5. Step 5: Solve for x
    x = 3,340,303,783.75/80,313.03
  6. Step 6: Final answer
    x = 41,591.06

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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.