Home / 74,165.97-111,204.09-29,133.42

Finding the Fourth Proportional to 74,165.97, 111,204.09 and 29,133.42

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Solution

The fourth proportional to 74,165.97, 111,204.09 and 29,133.42 is: 43,682.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,165.97 : 111,204.09 = 29,133.42 : x
  2. Step 2: Convert to fraction form
    74,165.97/111,204.09 = 29,133.42/x
  3. Step 3: Cross multiply
    74,165.97x = 111,204.09 × 29,133.42
  4. Step 4: Simplify right side
    74,165.97x = 3,239,755,459.69
  5. Step 5: Solve for x
    x = 3,239,755,459.69/74,165.97
  6. Step 6: Final answer
    x = 43,682.51

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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.