Home / 119,406.92-164,805.09-68,453.85

Finding the Fourth Proportional to 119,406.92, 164,805.09 and 68,453.85

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Solution

The fourth proportional to 119,406.92, 164,805.09 and 68,453.85 is: 94,479.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,406.92 : 164,805.09 = 68,453.85 : x
  2. Step 2: Convert to fraction form
    119,406.92/164,805.09 = 68,453.85/x
  3. Step 3: Cross multiply
    119,406.92x = 164,805.09 × 68,453.85
  4. Step 4: Simplify right side
    119,406.92x = 11,281,542,910.10
  5. Step 5: Solve for x
    x = 11,281,542,910.10/119,406.92
  6. Step 6: Final answer
    x = 94,479.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.