Home / 52,318.20-78,429.42-22,725.39

Finding the Fourth Proportional to 52,318.20, 78,429.42 and 22,725.39

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Solution

The fourth proportional to 52,318.20, 78,429.42 and 22,725.39 is: 34,067.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,318.20 : 78,429.42 = 22,725.39 : x
  2. Step 2: Convert to fraction form
    52,318.20/78,429.42 = 22,725.39/x
  3. Step 3: Cross multiply
    52,318.20x = 78,429.42 × 22,725.39
  4. Step 4: Simplify right side
    52,318.20x = 1,782,339,156.97
  5. Step 5: Solve for x
    x = 1,782,339,156.97/52,318.20
  6. Step 6: Final answer
    x = 34,067.29

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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.