Home / 74,415.20-111,635.10-34,474.10

Finding the Fourth Proportional to 74,415.20, 111,635.10 and 34,474.10

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Solution

The fourth proportional to 74,415.20, 111,635.10 and 34,474.10 is: 51,716.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,415.20 : 111,635.10 = 34,474.10 : x
  2. Step 2: Convert to fraction form
    74,415.20/111,635.10 = 34,474.10/x
  3. Step 3: Cross multiply
    74,415.20x = 111,635.10 × 34,474.10
  4. Step 4: Simplify right side
    74,415.20x = 3,848,519,042.73
  5. Step 5: Solve for x
    x = 3,848,519,042.73/74,415.20
  6. Step 6: Final answer
    x = 51,716.84

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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.