Home / 85,134.44-117,486.78-49,327.04

Finding the Fourth Proportional to 85,134.44, 117,486.78 and 49,327.04

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Solution

The fourth proportional to 85,134.44, 117,486.78 and 49,327.04 is: 68,072.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,134.44 : 117,486.78 = 49,327.04 : x
  2. Step 2: Convert to fraction form
    85,134.44/117,486.78 = 49,327.04/x
  3. Step 3: Cross multiply
    85,134.44x = 117,486.78 × 49,327.04
  4. Step 4: Simplify right side
    85,134.44x = 5,795,275,096.53
  5. Step 5: Solve for x
    x = 5,795,275,096.53/85,134.44
  6. Step 6: Final answer
    x = 68,072.04

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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.