Home / 82,324.11-123,471.80-23,145.71

Finding the Fourth Proportional to 82,324.11, 123,471.80 and 23,145.71

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Solution

The fourth proportional to 82,324.11, 123,471.80 and 23,145.71 is: 34,714.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,324.11 : 123,471.80 = 23,145.71 : x
  2. Step 2: Convert to fraction form
    82,324.11/123,471.80 = 23,145.71/x
  3. Step 3: Cross multiply
    82,324.11x = 123,471.80 × 23,145.71
  4. Step 4: Simplify right side
    82,324.11x = 2,857,842,292.71
  5. Step 5: Solve for x
    x = 2,857,842,292.71/82,324.11
  6. Step 6: Final answer
    x = 34,714.53

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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.