Home / 49,163.20-73,744.80-40,415.20

Finding the Fourth Proportional to 49,163.20, 73,744.80 and 40,415.20

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Solution

The fourth proportional to 49,163.20, 73,744.80 and 40,415.20 is: 60,622.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,163.20 : 73,744.80 = 40,415.20 : x
  2. Step 2: Convert to fraction form
    49,163.20/73,744.80 = 40,415.20/x
  3. Step 3: Cross multiply
    49,163.20x = 73,744.80 × 40,415.20
  4. Step 4: Simplify right side
    49,163.20x = 2,980,410,840.96
  5. Step 5: Solve for x
    x = 2,980,410,840.96/49,163.20
  6. Step 6: Final answer
    x = 60,622.80

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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.