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Finding the Fourth Proportional to 80,223.79, 120,334.06 and 27,632.11

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Solution

The fourth proportional to 80,223.79, 120,334.06 and 27,632.11 is: 41,447.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,223.79 : 120,334.06 = 27,632.11 : x
  2. Step 2: Convert to fraction form
    80,223.79/120,334.06 = 27,632.11/x
  3. Step 3: Cross multiply
    80,223.79x = 120,334.06 × 27,632.11
  4. Step 4: Simplify right side
    80,223.79x = 3,325,083,982.67
  5. Step 5: Solve for x
    x = 3,325,083,982.67/80,223.79
  6. Step 6: Final answer
    x = 41,447.61

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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.