Home / 106,519.31-146,996.08-58,121.22

Finding the Fourth Proportional to 106,519.31, 146,996.08 and 58,121.22

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Solution

The fourth proportional to 106,519.31, 146,996.08 and 58,121.22 is: 80,206.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,519.31 : 146,996.08 = 58,121.22 : x
  2. Step 2: Convert to fraction form
    106,519.31/146,996.08 = 58,121.22/x
  3. Step 3: Cross multiply
    106,519.31x = 146,996.08 × 58,121.22
  4. Step 4: Simplify right side
    106,519.31x = 8,543,591,504.82
  5. Step 5: Solve for x
    x = 8,543,591,504.82/106,519.31
  6. Step 6: Final answer
    x = 80,206.97

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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.