Home / 120,003.30-179,997.60-49,883.22

Finding the Fourth Proportional to 120,003.30, 179,997.60 and 49,883.22

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Solution

The fourth proportional to 120,003.30, 179,997.60 and 49,883.22 is: 74,821.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,003.30 : 179,997.60 = 49,883.22 : x
  2. Step 2: Convert to fraction form
    120,003.30/179,997.60 = 49,883.22/x
  3. Step 3: Cross multiply
    120,003.30x = 179,997.60 × 49,883.22
  4. Step 4: Simplify right side
    120,003.30x = 8,978,859,880.27
  5. Step 5: Solve for x
    x = 8,978,859,880.27/120,003.30
  6. Step 6: Final answer
    x = 74,821.77

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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.