Home / 115,398.78-173,107.89-36,511.26

Finding the Fourth Proportional to 115,398.78, 173,107.89 and 36,511.26

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Solution

The fourth proportional to 115,398.78, 173,107.89 and 36,511.26 is: 54,769.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,398.78 : 173,107.89 = 36,511.26 : x
  2. Step 2: Convert to fraction form
    115,398.78/173,107.89 = 36,511.26/x
  3. Step 3: Cross multiply
    115,398.78x = 173,107.89 × 36,511.26
  4. Step 4: Simplify right side
    115,398.78x = 6,320,387,179.84
  5. Step 5: Solve for x
    x = 6,320,387,179.84/115,398.78
  6. Step 6: Final answer
    x = 54,769.97

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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.