Home / 80,082.56-120,132.04-27,485.22

Finding the Fourth Proportional to 80,082.56, 120,132.04 and 27,485.22

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Solution

The fourth proportional to 80,082.56, 120,132.04 and 27,485.22 is: 41,230.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,082.56 : 120,132.04 = 27,485.22 : x
  2. Step 2: Convert to fraction form
    80,082.56/120,132.04 = 27,485.22/x
  3. Step 3: Cross multiply
    80,082.56x = 120,132.04 × 27,485.22
  4. Step 4: Simplify right side
    80,082.56x = 3,301,855,548.45
  5. Step 5: Solve for x
    x = 3,301,855,548.45/80,082.56
  6. Step 6: Final answer
    x = 41,230.64

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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.