Home / 117,542.62-162,203.85-66,558.14

Finding the Fourth Proportional to 117,542.62, 162,203.85 and 66,558.14

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Solution

The fourth proportional to 117,542.62, 162,203.85 and 66,558.14 is: 91,847.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,542.62 : 162,203.85 = 66,558.14 : x
  2. Step 2: Convert to fraction form
    117,542.62/162,203.85 = 66,558.14/x
  3. Step 3: Cross multiply
    117,542.62x = 162,203.85 × 66,558.14
  4. Step 4: Simplify right side
    117,542.62x = 10,795,986,957.26
  5. Step 5: Solve for x
    x = 10,795,986,957.26/117,542.62
  6. Step 6: Final answer
    x = 91,847.42

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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.