Home / 54,868.05-82,305.14-15,422.09

Finding the Fourth Proportional to 54,868.05, 82,305.14 and 15,422.09

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Solution

The fourth proportional to 54,868.05, 82,305.14 and 15,422.09 is: 23,133.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,868.05 : 82,305.14 = 15,422.09 : x
  2. Step 2: Convert to fraction form
    54,868.05/82,305.14 = 15,422.09/x
  3. Step 3: Cross multiply
    54,868.05x = 82,305.14 × 15,422.09
  4. Step 4: Simplify right side
    54,868.05x = 1,269,316,787.91
  5. Step 5: Solve for x
    x = 1,269,316,787.91/54,868.05
  6. Step 6: Final answer
    x = 23,133.99

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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.