Home / 68,986.56-95,201.82-40,307.88

Finding the Fourth Proportional to 68,986.56, 95,201.82 and 40,307.88

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Solution

The fourth proportional to 68,986.56, 95,201.82 and 40,307.88 is: 55,625.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,986.56 : 95,201.82 = 40,307.88 : x
  2. Step 2: Convert to fraction form
    68,986.56/95,201.82 = 40,307.88/x
  3. Step 3: Cross multiply
    68,986.56x = 95,201.82 × 40,307.88
  4. Step 4: Simplify right side
    68,986.56x = 3,837,383,536.34
  5. Step 5: Solve for x
    x = 3,837,383,536.34/68,986.56
  6. Step 6: Final answer
    x = 55,625.09

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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.