Home / 79,936.72-119,907-27,345.84

Finding the Fourth Proportional to 79,936.72, 119,907 and 27,345.84

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Solution

The fourth proportional to 79,936.72, 119,907 and 27,345.84 is: 41,019.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,936.72 : 119,907 = 27,345.84 : x
  2. Step 2: Convert to fraction form
    79,936.72/119,907 = 27,345.84/x
  3. Step 3: Cross multiply
    79,936.72x = 119,907 × 27,345.84
  4. Step 4: Simplify right side
    79,936.72x = 3,278,957,636.88
  5. Step 5: Solve for x
    x = 3,278,957,636.88/79,936.72
  6. Step 6: Final answer
    x = 41,019.42

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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.