Home / 69,249.78-103,837.74-35,936.30

Finding the Fourth Proportional to 69,249.78, 103,837.74 and 35,936.30

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Solution

The fourth proportional to 69,249.78, 103,837.74 and 35,936.30 is: 53,885.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,249.78 : 103,837.74 = 35,936.30 : x
  2. Step 2: Convert to fraction form
    69,249.78/103,837.74 = 35,936.30/x
  3. Step 3: Cross multiply
    69,249.78x = 103,837.74 × 35,936.30
  4. Step 4: Simplify right side
    69,249.78x = 3,731,544,175.96
  5. Step 5: Solve for x
    x = 3,731,544,175.96/69,249.78
  6. Step 6: Final answer
    x = 53,885.29

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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.