Home / 74,409.82-111,625.08-39,351.94

Finding the Fourth Proportional to 74,409.82, 111,625.08 and 39,351.94

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Solution

The fourth proportional to 74,409.82, 111,625.08 and 39,351.94 is: 59,033.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,409.82 : 111,625.08 = 39,351.94 : x
  2. Step 2: Convert to fraction form
    74,409.82/111,625.08 = 39,351.94/x
  3. Step 3: Cross multiply
    74,409.82x = 111,625.08 × 39,351.94
  4. Step 4: Simplify right side
    74,409.82x = 4,392,663,450.66
  5. Step 5: Solve for x
    x = 4,392,663,450.66/74,409.82
  6. Step 6: Final answer
    x = 59,033.38

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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.