Home / 71,629.38-98,847.83-39,797.60

Finding the Fourth Proportional to 71,629.38, 98,847.83 and 39,797.60

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Solution

The fourth proportional to 71,629.38, 98,847.83 and 39,797.60 is: 54,920.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,629.38 : 98,847.83 = 39,797.60 : x
  2. Step 2: Convert to fraction form
    71,629.38/98,847.83 = 39,797.60/x
  3. Step 3: Cross multiply
    71,629.38x = 98,847.83 × 39,797.60
  4. Step 4: Simplify right side
    71,629.38x = 3,933,905,705.98
  5. Step 5: Solve for x
    x = 3,933,905,705.98/71,629.38
  6. Step 6: Final answer
    x = 54,920.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.