Home / 85,304.86-117,682.62-49,474.12

Finding the Fourth Proportional to 85,304.86, 117,682.62 and 49,474.12

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Solution

The fourth proportional to 85,304.86, 117,682.62 and 49,474.12 is: 68,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,304.86 : 117,682.62 = 49,474.12 : x
  2. Step 2: Convert to fraction form
    85,304.86/117,682.62 = 49,474.12/x
  3. Step 3: Cross multiply
    85,304.86x = 117,682.62 × 49,474.12
  4. Step 4: Simplify right side
    85,304.86x = 5,822,244,063.79
  5. Step 5: Solve for x
    x = 5,822,244,063.79/85,304.86
  6. Step 6: Final answer
    x = 68,252.20

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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.