Home / 57,183.57-85,754.30-19,734.09

Finding the Fourth Proportional to 57,183.57, 85,754.30 and 19,734.09

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Solution

The fourth proportional to 57,183.57, 85,754.30 and 19,734.09 is: 29,593.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,183.57 : 85,754.30 = 19,734.09 : x
  2. Step 2: Convert to fraction form
    57,183.57/85,754.30 = 19,734.09/x
  3. Step 3: Cross multiply
    57,183.57x = 85,754.30 × 19,734.09
  4. Step 4: Simplify right side
    57,183.57x = 1,692,282,975.42
  5. Step 5: Solve for x
    x = 1,692,282,975.42/57,183.57
  6. Step 6: Final answer
    x = 29,593.87

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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.