Home / 109,845.45-164,768.19-39,708.36

Finding the Fourth Proportional to 109,845.45, 164,768.19 and 39,708.36

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Solution

The fourth proportional to 109,845.45, 164,768.19 and 39,708.36 is: 59,562.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,845.45 : 164,768.19 = 39,708.36 : x
  2. Step 2: Convert to fraction form
    109,845.45/164,768.19 = 39,708.36/x
  3. Step 3: Cross multiply
    109,845.45x = 164,768.19 × 39,708.36
  4. Step 4: Simplify right side
    109,845.45x = 6,542,675,016.99
  5. Step 5: Solve for x
    x = 6,542,675,016.99/109,845.45
  6. Step 6: Final answer
    x = 59,562.55

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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.