Home / 106,175.78-159,291.23-39,616.41

Finding the Fourth Proportional to 106,175.78, 159,291.23 and 39,616.41

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Solution

The fourth proportional to 106,175.78, 159,291.23 and 39,616.41 is: 59,434.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,175.78 : 159,291.23 = 39,616.41 : x
  2. Step 2: Convert to fraction form
    106,175.78/159,291.23 = 39,616.41/x
  3. Step 3: Cross multiply
    106,175.78x = 159,291.23 × 39,616.41
  4. Step 4: Simplify right side
    106,175.78x = 6,310,546,479.00
  5. Step 5: Solve for x
    x = 6,310,546,479.00/106,175.78
  6. Step 6: Final answer
    x = 59,434.90

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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.