Home / 106,101.33-159,149.67-49,910.31

Finding the Fourth Proportional to 106,101.33, 159,149.67 and 49,910.31

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Solution

The fourth proportional to 106,101.33, 159,149.67 and 49,910.31 is: 74,864.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,101.33 : 159,149.67 = 49,910.31 : x
  2. Step 2: Convert to fraction form
    106,101.33/159,149.67 = 49,910.31/x
  3. Step 3: Cross multiply
    106,101.33x = 159,149.67 × 49,910.31
  4. Step 4: Simplify right side
    106,101.33x = 7,943,209,366.10
  5. Step 5: Solve for x
    x = 7,943,209,366.10/106,101.33
  6. Step 6: Final answer
    x = 74,864.37

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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.