Home / 106,329.10-159,493.92-31,450.54

Finding the Fourth Proportional to 106,329.10, 159,493.92 and 31,450.54

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Solution

The fourth proportional to 106,329.10, 159,493.92 and 31,450.54 is: 47,175.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,329.10 : 159,493.92 = 31,450.54 : x
  2. Step 2: Convert to fraction form
    106,329.10/159,493.92 = 31,450.54/x
  3. Step 3: Cross multiply
    106,329.10x = 159,493.92 × 31,450.54
  4. Step 4: Simplify right side
    106,329.10x = 5,016,169,910.72
  5. Step 5: Solve for x
    x = 5,016,169,910.72/106,329.10
  6. Step 6: Final answer
    x = 47,175.89

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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.