Home / 82,305.11-123,464.95-23,141.29

Finding the Fourth Proportional to 82,305.11, 123,464.95 and 23,141.29

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Solution

The fourth proportional to 82,305.11, 123,464.95 and 23,141.29 is: 34,713.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,305.11 : 123,464.95 = 23,141.29 : x
  2. Step 2: Convert to fraction form
    82,305.11/123,464.95 = 23,141.29/x
  3. Step 3: Cross multiply
    82,305.11x = 123,464.95 × 23,141.29
  4. Step 4: Simplify right side
    82,305.11x = 2,857,138,270.64
  5. Step 5: Solve for x
    x = 2,857,138,270.64/82,305.11
  6. Step 6: Final answer
    x = 34,713.99

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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.