Home / 106,628.78-159,942.36-44,299.28

Finding the Fourth Proportional to 106,628.78, 159,942.36 and 44,299.28

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Solution

The fourth proportional to 106,628.78, 159,942.36 and 44,299.28 is: 66,448.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,628.78 : 159,942.36 = 44,299.28 : x
  2. Step 2: Convert to fraction form
    106,628.78/159,942.36 = 44,299.28/x
  3. Step 3: Cross multiply
    106,628.78x = 159,942.36 × 44,299.28
  4. Step 4: Simplify right side
    106,628.78x = 7,085,331,389.50
  5. Step 5: Solve for x
    x = 7,085,331,389.50/106,628.78
  6. Step 6: Final answer
    x = 66,448.58

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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.