Home / 57,017.68-85,540.46-40,183.53

Finding the Fourth Proportional to 57,017.68, 85,540.46 and 40,183.53

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Solution

The fourth proportional to 57,017.68, 85,540.46 and 40,183.53 is: 60,285.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,017.68 : 85,540.46 = 40,183.53 : x
  2. Step 2: Convert to fraction form
    57,017.68/85,540.46 = 40,183.53/x
  3. Step 3: Cross multiply
    57,017.68x = 85,540.46 × 40,183.53
  4. Step 4: Simplify right side
    57,017.68x = 3,437,317,741.08
  5. Step 5: Solve for x
    x = 3,437,317,741.08/57,017.68
  6. Step 6: Final answer
    x = 60,285.12

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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.