Home / 74,354.82-111,532.29-61,179.49

Finding the Fourth Proportional to 74,354.82, 111,532.29 and 61,179.49

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Solution

The fourth proportional to 74,354.82, 111,532.29 and 61,179.49 is: 91,769.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,354.82 : 111,532.29 = 61,179.49 : x
  2. Step 2: Convert to fraction form
    74,354.82/111,532.29 = 61,179.49/x
  3. Step 3: Cross multiply
    74,354.82x = 111,532.29 × 61,179.49
  4. Step 4: Simplify right side
    74,354.82x = 6,823,488,850.16
  5. Step 5: Solve for x
    x = 6,823,488,850.16/74,354.82
  6. Step 6: Final answer
    x = 91,769.29

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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.