Home / 49,856.85-68,662.49-48,768.21

Finding the Fourth Proportional to 49,856.85, 68,662.49 and 48,768.21

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Solution

The fourth proportional to 49,856.85, 68,662.49 and 48,768.21 is: 67,163.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,856.85 : 68,662.49 = 48,768.21 : x
  2. Step 2: Convert to fraction form
    49,856.85/68,662.49 = 48,768.21/x
  3. Step 3: Cross multiply
    49,856.85x = 68,662.49 × 48,768.21
  4. Step 4: Simplify right side
    49,856.85x = 3,348,546,487.60
  5. Step 5: Solve for x
    x = 3,348,546,487.60/49,856.85
  6. Step 6: Final answer
    x = 67,163.22

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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.