Home / 106,078.28-159,107.10-35,949.32

Finding the Fourth Proportional to 106,078.28, 159,107.10 and 35,949.32

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Solution

The fourth proportional to 106,078.28, 159,107.10 and 35,949.32 is: 53,920.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,078.28 : 159,107.10 = 35,949.32 : x
  2. Step 2: Convert to fraction form
    106,078.28/159,107.10 = 35,949.32/x
  3. Step 3: Cross multiply
    106,078.28x = 159,107.10 × 35,949.32
  4. Step 4: Simplify right side
    106,078.28x = 5,719,792,052.17
  5. Step 5: Solve for x
    x = 5,719,792,052.17/106,078.28
  6. Step 6: Final answer
    x = 53,920.48

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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.