Home / 82,255.20-123,387.18-26,099.65

Finding the Fourth Proportional to 82,255.20, 123,387.18 and 26,099.65

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Solution

The fourth proportional to 82,255.20, 123,387.18 and 26,099.65 is: 39,150.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,255.20 : 123,387.18 = 26,099.65 : x
  2. Step 2: Convert to fraction form
    82,255.20/123,387.18 = 26,099.65/x
  3. Step 3: Cross multiply
    82,255.20x = 123,387.18 × 26,099.65
  4. Step 4: Simplify right side
    82,255.20x = 3,220,362,212.49
  5. Step 5: Solve for x
    x = 3,220,362,212.49/82,255.20
  6. Step 6: Final answer
    x = 39,150.86

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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.