Home / 74,207.12-111,315.82-29,833.88

Finding the Fourth Proportional to 74,207.12, 111,315.82 and 29,833.88

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Solution

The fourth proportional to 74,207.12, 111,315.82 and 29,833.88 is: 44,752.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,207.12 : 111,315.82 = 29,833.88 : x
  2. Step 2: Convert to fraction form
    74,207.12/111,315.82 = 29,833.88/x
  3. Step 3: Cross multiply
    74,207.12x = 111,315.82 × 29,833.88
  4. Step 4: Simplify right side
    74,207.12x = 3,320,982,815.98
  5. Step 5: Solve for x
    x = 3,320,982,815.98/74,207.12
  6. Step 6: Final answer
    x = 44,752.89

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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.