Home / 106,788.40-160,170.45-27,910.60

Finding the Fourth Proportional to 106,788.40, 160,170.45 and 27,910.60

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Solution

The fourth proportional to 106,788.40, 160,170.45 and 27,910.60 is: 41,862.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,788.40 : 160,170.45 = 27,910.60 : x
  2. Step 2: Convert to fraction form
    106,788.40/160,170.45 = 27,910.60/x
  3. Step 3: Cross multiply
    106,788.40x = 160,170.45 × 27,910.60
  4. Step 4: Simplify right side
    106,788.40x = 4,470,453,361.77
  5. Step 5: Solve for x
    x = 4,470,453,361.77/106,788.40
  6. Step 6: Final answer
    x = 41,862.72

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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.