Home / 110,619.78-165,930.27-27,513.78

Finding the Fourth Proportional to 110,619.78, 165,930.27 and 27,513.78

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Solution

The fourth proportional to 110,619.78, 165,930.27 and 27,513.78 is: 41,270.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,619.78 : 165,930.27 = 27,513.78 : x
  2. Step 2: Convert to fraction form
    110,619.78/165,930.27 = 27,513.78/x
  3. Step 3: Cross multiply
    110,619.78x = 165,930.27 × 27,513.78
  4. Step 4: Simplify right side
    110,619.78x = 4,565,368,944.12
  5. Step 5: Solve for x
    x = 4,565,368,944.12/110,619.78
  6. Step 6: Final answer
    x = 41,270.82

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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.