Home / 106,169.25-146,511.71-57,769.54

Finding the Fourth Proportional to 106,169.25, 146,511.71 and 57,769.54

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Solution

The fourth proportional to 106,169.25, 146,511.71 and 57,769.54 is: 79,720.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,169.25 : 146,511.71 = 57,769.54 : x
  2. Step 2: Convert to fraction form
    106,169.25/146,511.71 = 57,769.54/x
  3. Step 3: Cross multiply
    106,169.25x = 146,511.71 × 57,769.54
  4. Step 4: Simplify right side
    106,169.25x = 8,463,914,313.17
  5. Step 5: Solve for x
    x = 8,463,914,313.17/106,169.25
  6. Step 6: Final answer
    x = 79,720.96

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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.