Home / 106,450.44-146,914.92-61,142.60

Finding the Fourth Proportional to 106,450.44, 146,914.92 and 61,142.60

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Solution

The fourth proportional to 106,450.44, 146,914.92 and 61,142.60 is: 84,384.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,450.44 : 146,914.92 = 61,142.60 : x
  2. Step 2: Convert to fraction form
    106,450.44/146,914.92 = 61,142.60/x
  3. Step 3: Cross multiply
    106,450.44x = 146,914.92 × 61,142.60
  4. Step 4: Simplify right side
    106,450.44x = 8,982,760,187.59
  5. Step 5: Solve for x
    x = 8,982,760,187.59/106,450.44
  6. Step 6: Final answer
    x = 84,384.43

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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.