Home / 68,091.68-102,138.03-23,718.36

Finding the Fourth Proportional to 68,091.68, 102,138.03 and 23,718.36

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Solution

The fourth proportional to 68,091.68, 102,138.03 and 23,718.36 is: 35,577.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,091.68 : 102,138.03 = 23,718.36 : x
  2. Step 2: Convert to fraction form
    68,091.68/102,138.03 = 23,718.36/x
  3. Step 3: Cross multiply
    68,091.68x = 102,138.03 × 23,718.36
  4. Step 4: Simplify right side
    68,091.68x = 2,422,546,130.03
  5. Step 5: Solve for x
    x = 2,422,546,130.03/68,091.68
  6. Step 6: Final answer
    x = 35,577.71

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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.