Home / 82,632.52-123,782.46-38,198.08

Finding the Fourth Proportional to 82,632.52, 123,782.46 and 38,198.08

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Solution

The fourth proportional to 82,632.52, 123,782.46 and 38,198.08 is: 57,220.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,632.52 : 123,782.46 = 38,198.08 : x
  2. Step 2: Convert to fraction form
    82,632.52/123,782.46 = 38,198.08/x
  3. Step 3: Cross multiply
    82,632.52x = 123,782.46 × 38,198.08
  4. Step 4: Simplify right side
    82,632.52x = 4,728,252,309.68
  5. Step 5: Solve for x
    x = 4,728,252,309.68/82,632.52
  6. Step 6: Final answer
    x = 57,220.24

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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.