Home / 106,325.10-159,487.92-31,446.54

Finding the Fourth Proportional to 106,325.10, 159,487.92 and 31,446.54

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Solution

The fourth proportional to 106,325.10, 159,487.92 and 31,446.54 is: 47,169.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,325.10 : 159,487.92 = 31,446.54 : x
  2. Step 2: Convert to fraction form
    106,325.10/159,487.92 = 31,446.54/x
  3. Step 3: Cross multiply
    106,325.10x = 159,487.92 × 31,446.54
  4. Step 4: Simplify right side
    106,325.10x = 5,015,343,255.80
  5. Step 5: Solve for x
    x = 5,015,343,255.80/106,325.10
  6. Step 6: Final answer
    x = 47,169.89

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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.