Home / 50,563.77-75,845.05-13,120.51

Finding the Fourth Proportional to 50,563.77, 75,845.05 and 13,120.51

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Solution

The fourth proportional to 50,563.77, 75,845.05 and 13,120.51 is: 19,680.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,563.77 : 75,845.05 = 13,120.51 : x
  2. Step 2: Convert to fraction form
    50,563.77/75,845.05 = 13,120.51/x
  3. Step 3: Cross multiply
    50,563.77x = 75,845.05 × 13,120.51
  4. Step 4: Simplify right side
    50,563.77x = 995,125,736.98
  5. Step 5: Solve for x
    x = 995,125,736.98/50,563.77
  6. Step 6: Final answer
    x = 19,680.61

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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.