Home / 80,383.23-120,574.85-27,793.17

Finding the Fourth Proportional to 80,383.23, 120,574.85 and 27,793.17

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Solution

The fourth proportional to 80,383.23, 120,574.85 and 27,793.17 is: 41,689.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,383.23 : 120,574.85 = 27,793.17 : x
  2. Step 2: Convert to fraction form
    80,383.23/120,574.85 = 27,793.17/x
  3. Step 3: Cross multiply
    80,383.23x = 120,574.85 × 27,793.17
  4. Step 4: Simplify right side
    80,383.23x = 3,351,157,164.81
  5. Step 5: Solve for x
    x = 3,351,157,164.81/80,383.23
  6. Step 6: Final answer
    x = 41,689.76

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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.