Home / 70,701.38-106,025.13-31,236.96

Finding the Fourth Proportional to 70,701.38, 106,025.13 and 31,236.96

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Solution

The fourth proportional to 70,701.38, 106,025.13 and 31,236.96 is: 46,843.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,701.38 : 106,025.13 = 31,236.96 : x
  2. Step 2: Convert to fraction form
    70,701.38/106,025.13 = 31,236.96/x
  3. Step 3: Cross multiply
    70,701.38x = 106,025.13 × 31,236.96
  4. Step 4: Simplify right side
    70,701.38x = 3,311,902,744.80
  5. Step 5: Solve for x
    x = 3,311,902,744.80/70,701.38
  6. Step 6: Final answer
    x = 46,843.54

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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.