Home / 106,321.82-159,497.30-31,447.85

Finding the Fourth Proportional to 106,321.82, 159,497.30 and 31,447.85

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Solution

The fourth proportional to 106,321.82, 159,497.30 and 31,447.85 is: 47,176.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,321.82 : 159,497.30 = 31,447.85 : x
  2. Step 2: Convert to fraction form
    106,321.82/159,497.30 = 31,447.85/x
  3. Step 3: Cross multiply
    106,321.82x = 159,497.30 × 31,447.85
  4. Step 4: Simplify right side
    106,321.82x = 5,015,846,446.94
  5. Step 5: Solve for x
    x = 5,015,846,446.94/106,321.82
  6. Step 6: Final answer
    x = 47,176.08

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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.