Home / 85,203.46-117,581.24-49,414.69

Finding the Fourth Proportional to 85,203.46, 117,581.24 and 49,414.69

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Solution

The fourth proportional to 85,203.46, 117,581.24 and 49,414.69 is: 68,192.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,203.46 : 117,581.24 = 49,414.69 : x
  2. Step 2: Convert to fraction form
    85,203.46/117,581.24 = 49,414.69/x
  3. Step 3: Cross multiply
    85,203.46x = 117,581.24 × 49,414.69
  4. Step 4: Simplify right side
    85,203.46x = 5,810,239,689.44
  5. Step 5: Solve for x
    x = 5,810,239,689.44/85,203.46
  6. Step 6: Final answer
    x = 68,192.54

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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.