Home / 117,236.91-161,786.71-63,523.38

Finding the Fourth Proportional to 117,236.91, 161,786.71 and 63,523.38

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Solution

The fourth proportional to 117,236.91, 161,786.71 and 63,523.38 is: 87,662.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,236.91 : 161,786.71 = 63,523.38 : x
  2. Step 2: Convert to fraction form
    117,236.91/161,786.71 = 63,523.38/x
  3. Step 3: Cross multiply
    117,236.91x = 161,786.71 × 63,523.38
  4. Step 4: Simplify right side
    117,236.91x = 10,277,237,936.20
  5. Step 5: Solve for x
    x = 10,277,237,936.20/117,236.91
  6. Step 6: Final answer
    x = 87,662.14

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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.