Home / 106,005.87-158,975.73-31,107.33

Finding the Fourth Proportional to 106,005.87, 158,975.73 and 31,107.33

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Solution

The fourth proportional to 106,005.87, 158,975.73 and 31,107.33 is: 46,651.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,005.87 : 158,975.73 = 31,107.33 : x
  2. Step 2: Convert to fraction form
    106,005.87/158,975.73 = 31,107.33/x
  3. Step 3: Cross multiply
    106,005.87x = 158,975.73 × 31,107.33
  4. Step 4: Simplify right side
    106,005.87x = 4,945,310,495.10
  5. Step 5: Solve for x
    x = 4,945,310,495.10/106,005.87
  6. Step 6: Final answer
    x = 46,651.29

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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.