Home / 49,919.34-74,968.24-47,912.60

Finding the Fourth Proportional to 49,919.34, 74,968.24 and 47,912.60

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Solution

The fourth proportional to 49,919.34, 74,968.24 and 47,912.60 is: 71,954.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,919.34 : 74,968.24 = 47,912.60 : x
  2. Step 2: Convert to fraction form
    49,919.34/74,968.24 = 47,912.60/x
  3. Step 3: Cross multiply
    49,919.34x = 74,968.24 × 47,912.60
  4. Step 4: Simplify right side
    49,919.34x = 3,591,923,295.82
  5. Step 5: Solve for x
    x = 3,591,923,295.82/49,919.34
  6. Step 6: Final answer
    x = 71,954.54

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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.