Home / 106,325.38-159,519.26-31,447.50

Finding the Fourth Proportional to 106,325.38, 159,519.26 and 31,447.50

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Solution

The fourth proportional to 106,325.38, 159,519.26 and 31,447.50 is: 47,180.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,325.38 : 159,519.26 = 31,447.50 : x
  2. Step 2: Convert to fraction form
    106,325.38/159,519.26 = 31,447.50/x
  3. Step 3: Cross multiply
    106,325.38x = 159,519.26 × 31,447.50
  4. Step 4: Simplify right side
    106,325.38x = 5,016,481,928.85
  5. Step 5: Solve for x
    x = 5,016,481,928.85/106,325.38
  6. Step 6: Final answer
    x = 47,180.47

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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.