Home / 82,617.52-123,759.96-38,183.08

Finding the Fourth Proportional to 82,617.52, 123,759.96 and 38,183.08

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Solution

The fourth proportional to 82,617.52, 123,759.96 and 38,183.08 is: 57,197.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,617.52 : 123,759.96 = 38,183.08 : x
  2. Step 2: Convert to fraction form
    82,617.52/123,759.96 = 38,183.08/x
  3. Step 3: Cross multiply
    82,617.52x = 123,759.96 × 38,183.08
  4. Step 4: Simplify right side
    82,617.52x = 4,725,536,453.48
  5. Step 5: Solve for x
    x = 4,725,536,453.48/82,617.52
  6. Step 6: Final answer
    x = 57,197.75

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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.