Home / 89,110.97-122,942.39-50,842.90

Finding the Fourth Proportional to 89,110.97, 122,942.39 and 50,842.90

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Solution

The fourth proportional to 89,110.97, 122,942.39 and 50,842.90 is: 70,145.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,110.97 : 122,942.39 = 50,842.90 : x
  2. Step 2: Convert to fraction form
    89,110.97/122,942.39 = 50,842.90/x
  3. Step 3: Cross multiply
    89,110.97x = 122,942.39 × 50,842.90
  4. Step 4: Simplify right side
    89,110.97x = 6,250,747,539.99
  5. Step 5: Solve for x
    x = 6,250,747,539.99/89,110.97
  6. Step 6: Final answer
    x = 70,145.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.