Home / 74,604.72-111,874.26-39,536.17

Finding the Fourth Proportional to 74,604.72, 111,874.26 and 39,536.17

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Solution

The fourth proportional to 74,604.72, 111,874.26 and 39,536.17 is: 59,286.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,604.72 : 111,874.26 = 39,536.17 : x
  2. Step 2: Convert to fraction form
    74,604.72/111,874.26 = 39,536.17/x
  3. Step 3: Cross multiply
    74,604.72x = 111,874.26 × 39,536.17
  4. Step 4: Simplify right side
    74,604.72x = 4,423,079,761.98
  5. Step 5: Solve for x
    x = 4,423,079,761.98/74,604.72
  6. Step 6: Final answer
    x = 59,286.86

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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.