Home / 68,900.28-95,082.44-40,239.48

Finding the Fourth Proportional to 68,900.28, 95,082.44 and 40,239.48

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Solution

The fourth proportional to 68,900.28, 95,082.44 and 40,239.48 is: 55,530.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,900.28 : 95,082.44 = 40,239.48 : x
  2. Step 2: Convert to fraction form
    68,900.28/95,082.44 = 40,239.48/x
  3. Step 3: Cross multiply
    68,900.28x = 95,082.44 × 40,239.48
  4. Step 4: Simplify right side
    68,900.28x = 3,826,067,942.73
  5. Step 5: Solve for x
    x = 3,826,067,942.73/68,900.28
  6. Step 6: Final answer
    x = 55,530.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.