Home / 54,711.36-82,067.04-13,158.36

Finding the Fourth Proportional to 54,711.36, 82,067.04 and 13,158.36

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Solution

The fourth proportional to 54,711.36, 82,067.04 and 13,158.36 is: 19,737.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,711.36 : 82,067.04 = 13,158.36 : x
  2. Step 2: Convert to fraction form
    54,711.36/82,067.04 = 13,158.36/x
  3. Step 3: Cross multiply
    54,711.36x = 82,067.04 × 13,158.36
  4. Step 4: Simplify right side
    54,711.36x = 1,079,867,656.45
  5. Step 5: Solve for x
    x = 1,079,867,656.45/54,711.36
  6. Step 6: Final answer
    x = 19,737.54

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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.