Home / 109,845.88-164,709.53-49,841.61

Finding the Fourth Proportional to 109,845.88, 164,709.53 and 49,841.61

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Solution

The fourth proportional to 109,845.88, 164,709.53 and 49,841.61 is: 74,735.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,845.88 : 164,709.53 = 49,841.61 : x
  2. Step 2: Convert to fraction form
    109,845.88/164,709.53 = 49,841.61/x
  3. Step 3: Cross multiply
    109,845.88x = 164,709.53 × 49,841.61
  4. Step 4: Simplify right side
    109,845.88x = 8,209,388,157.54
  5. Step 5: Solve for x
    x = 8,209,388,157.54/109,845.88
  6. Step 6: Final answer
    x = 74,735.51

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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.