Home / 85,122.36-117,463.86-49,310.04

Finding the Fourth Proportional to 85,122.36, 117,463.86 and 49,310.04

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Solution

The fourth proportional to 85,122.36, 117,463.86 and 49,310.04 is: 68,044.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,122.36 : 117,463.86 = 49,310.04 : x
  2. Step 2: Convert to fraction form
    85,122.36/117,463.86 = 49,310.04/x
  3. Step 3: Cross multiply
    85,122.36x = 117,463.86 × 49,310.04
  4. Step 4: Simplify right side
    85,122.36x = 5,792,147,635.15
  5. Step 5: Solve for x
    x = 5,792,147,635.15/85,122.36
  6. Step 6: Final answer
    x = 68,044.96

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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.