Home / 53,017.21-73,163.83-29,144.03

Finding the Fourth Proportional to 53,017.21, 73,163.83 and 29,144.03

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Solution

The fourth proportional to 53,017.21, 73,163.83 and 29,144.03 is: 40,218.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,017.21 : 73,163.83 = 29,144.03 : x
  2. Step 2: Convert to fraction form
    53,017.21/73,163.83 = 29,144.03/x
  3. Step 3: Cross multiply
    53,017.21x = 73,163.83 × 29,144.03
  4. Step 4: Simplify right side
    53,017.21x = 2,132,288,856.43
  5. Step 5: Solve for x
    x = 2,132,288,856.43/53,017.21
  6. Step 6: Final answer
    x = 40,218.81

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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.