Home / 71,377.38-106,949.26-43,212.07

Finding the Fourth Proportional to 71,377.38, 106,949.26 and 43,212.07

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Solution

The fourth proportional to 71,377.38, 106,949.26 and 43,212.07 is: 64,747.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,377.38 : 106,949.26 = 43,212.07 : x
  2. Step 2: Convert to fraction form
    71,377.38/106,949.26 = 43,212.07/x
  3. Step 3: Cross multiply
    71,377.38x = 106,949.26 × 43,212.07
  4. Step 4: Simplify right side
    71,377.38x = 4,621,499,097.27
  5. Step 5: Solve for x
    x = 4,621,499,097.27/71,377.38
  6. Step 6: Final answer
    x = 64,747.39

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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.