Home / 51,180.40-76,597.20-31,471.44

Finding the Fourth Proportional to 51,180.40, 76,597.20 and 31,471.44

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Solution

The fourth proportional to 51,180.40, 76,597.20 and 31,471.44 is: 47,100.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,180.40 : 76,597.20 = 31,471.44 : x
  2. Step 2: Convert to fraction form
    51,180.40/76,597.20 = 31,471.44/x
  3. Step 3: Cross multiply
    51,180.40x = 76,597.20 × 31,471.44
  4. Step 4: Simplify right side
    51,180.40x = 2,410,624,183.97
  5. Step 5: Solve for x
    x = 2,410,624,183.97/51,180.40
  6. Step 6: Final answer
    x = 47,100.53

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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.