Home / 66,571.22-99,857.78-37,176.12

Finding the Fourth Proportional to 66,571.22, 99,857.78 and 37,176.12

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Solution

The fourth proportional to 66,571.22, 99,857.78 and 37,176.12 is: 55,764.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,571.22 : 99,857.78 = 37,176.12 : x
  2. Step 2: Convert to fraction form
    66,571.22/99,857.78 = 37,176.12/x
  3. Step 3: Cross multiply
    66,571.22x = 99,857.78 × 37,176.12
  4. Step 4: Simplify right side
    66,571.22x = 3,712,324,626.33
  5. Step 5: Solve for x
    x = 3,712,324,626.33/66,571.22
  6. Step 6: Final answer
    x = 55,764.71

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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.