Home / 50,109.09-75,163.70-12,669.26

Finding the Fourth Proportional to 50,109.09, 75,163.70 and 12,669.26

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Solution

The fourth proportional to 50,109.09, 75,163.70 and 12,669.26 is: 19,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,109.09 : 75,163.70 = 12,669.26 : x
  2. Step 2: Convert to fraction form
    50,109.09/75,163.70 = 12,669.26/x
  3. Step 3: Cross multiply
    50,109.09x = 75,163.70 × 12,669.26
  4. Step 4: Simplify right side
    50,109.09x = 952,268,018.70
  5. Step 5: Solve for x
    x = 952,268,018.70/50,109.09
  6. Step 6: Final answer
    x = 19,003.90

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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.