Home / 74,202.11-111,308.31-29,828.88

Finding the Fourth Proportional to 74,202.11, 111,308.31 and 29,828.88

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Solution

The fourth proportional to 74,202.11, 111,308.31 and 29,828.88 is: 44,745.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,202.11 : 111,308.31 = 29,828.88 : x
  2. Step 2: Convert to fraction form
    74,202.11/111,308.31 = 29,828.88/x
  3. Step 3: Cross multiply
    74,202.11x = 111,308.31 × 29,828.88
  4. Step 4: Simplify right side
    74,202.11x = 3,320,202,221.99
  5. Step 5: Solve for x
    x = 3,320,202,221.99/74,202.11
  6. Step 6: Final answer
    x = 44,745.39

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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.