Home / 85,305.36-117,683.31-49,474.62

Finding the Fourth Proportional to 85,305.36, 117,683.31 and 49,474.62

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Solution

The fourth proportional to 85,305.36, 117,683.31 and 49,474.62 is: 68,252.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,305.36 : 117,683.31 = 49,474.62 : x
  2. Step 2: Convert to fraction form
    85,305.36/117,683.31 = 49,474.62/x
  3. Step 3: Cross multiply
    85,305.36x = 117,683.31 × 49,474.62
  4. Step 4: Simplify right side
    85,305.36x = 5,822,337,042.59
  5. Step 5: Solve for x
    x = 5,822,337,042.59/85,305.36
  6. Step 6: Final answer
    x = 68,252.89

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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.