Home / 80,223.78-120,334.06-27,632.10

Finding the Fourth Proportional to 80,223.78, 120,334.06 and 27,632.10

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Solution

The fourth proportional to 80,223.78, 120,334.06 and 27,632.10 is: 41,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,223.78 : 120,334.06 = 27,632.10 : x
  2. Step 2: Convert to fraction form
    80,223.78/120,334.06 = 27,632.10/x
  3. Step 3: Cross multiply
    80,223.78x = 120,334.06 × 27,632.10
  4. Step 4: Simplify right side
    80,223.78x = 3,325,082,779.33
  5. Step 5: Solve for x
    x = 3,325,082,779.33/80,223.78
  6. Step 6: Final answer
    x = 41,447.60

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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.