Home / 68,790.44-103,163.99-26,667.60

Finding the Fourth Proportional to 68,790.44, 103,163.99 and 26,667.60

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Solution

The fourth proportional to 68,790.44, 103,163.99 and 26,667.60 is: 39,993.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,790.44 : 103,163.99 = 26,667.60 : x
  2. Step 2: Convert to fraction form
    68,790.44/103,163.99 = 26,667.60/x
  3. Step 3: Cross multiply
    68,790.44x = 103,163.99 × 26,667.60
  4. Step 4: Simplify right side
    68,790.44x = 2,751,135,886.39
  5. Step 5: Solve for x
    x = 2,751,135,886.39/68,790.44
  6. Step 6: Final answer
    x = 39,993.00

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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.