Home / 55,163.13-82,733.70-15,171.75

Finding the Fourth Proportional to 55,163.13, 82,733.70 and 15,171.75

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Solution

The fourth proportional to 55,163.13, 82,733.70 and 15,171.75 is: 22,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,163.13 : 82,733.70 = 15,171.75 : x
  2. Step 2: Convert to fraction form
    55,163.13/82,733.70 = 15,171.75/x
  3. Step 3: Cross multiply
    55,163.13x = 82,733.70 × 15,171.75
  4. Step 4: Simplify right side
    55,163.13x = 1,255,215,012.98
  5. Step 5: Solve for x
    x = 1,255,215,012.98/55,163.13
  6. Step 6: Final answer
    x = 22,754.60

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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.