Home / 68,584.12-94,676.86-40,291.56

Finding the Fourth Proportional to 68,584.12, 94,676.86 and 40,291.56

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Solution

The fourth proportional to 68,584.12, 94,676.86 and 40,291.56 is: 55,620.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,584.12 : 94,676.86 = 40,291.56 : x
  2. Step 2: Convert to fraction form
    68,584.12/94,676.86 = 40,291.56/x
  3. Step 3: Cross multiply
    68,584.12x = 94,676.86 × 40,291.56
  4. Step 4: Simplify right side
    68,584.12x = 3,814,678,385.30
  5. Step 5: Solve for x
    x = 3,814,678,385.30/68,584.12
  6. Step 6: Final answer
    x = 55,620.43

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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.