Home / 74,144.06-111,215.11-29,770.01

Finding the Fourth Proportional to 74,144.06, 111,215.11 and 29,770.01

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Solution

The fourth proportional to 74,144.06, 111,215.11 and 29,770.01 is: 44,654.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,144.06 : 111,215.11 = 29,770.01 : x
  2. Step 2: Convert to fraction form
    74,144.06/111,215.11 = 29,770.01/x
  3. Step 3: Cross multiply
    74,144.06x = 111,215.11 × 29,770.01
  4. Step 4: Simplify right side
    74,144.06x = 3,310,874,936.85
  5. Step 5: Solve for x
    x = 3,310,874,936.85/74,144.06
  6. Step 6: Final answer
    x = 44,654.62

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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.