Home / 43,711.68-65,613.06-38,745.60

Finding the Fourth Proportional to 43,711.68, 65,613.06 and 38,745.60

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Solution

The fourth proportional to 43,711.68, 65,613.06 and 38,745.60 is: 58,158.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,711.68 : 65,613.06 = 38,745.60 : x
  2. Step 2: Convert to fraction form
    43,711.68/65,613.06 = 38,745.60/x
  3. Step 3: Cross multiply
    43,711.68x = 65,613.06 × 38,745.60
  4. Step 4: Simplify right side
    43,711.68x = 2,542,217,377.54
  5. Step 5: Solve for x
    x = 2,542,217,377.54/43,711.68
  6. Step 6: Final answer
    x = 58,158.77

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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.