Home / 117,116.26-161,620.49-63,401.27

Finding the Fourth Proportional to 117,116.26, 161,620.49 and 63,401.27

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Solution

The fourth proportional to 117,116.26, 161,620.49 and 63,401.27 is: 87,493.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,116.26 : 161,620.49 = 63,401.27 : x
  2. Step 2: Convert to fraction form
    117,116.26/161,620.49 = 63,401.27/x
  3. Step 3: Cross multiply
    117,116.26x = 161,620.49 × 63,401.27
  4. Step 4: Simplify right side
    117,116.26x = 10,246,944,859.78
  5. Step 5: Solve for x
    x = 10,246,944,859.78/117,116.26
  6. Step 6: Final answer
    x = 87,493.78

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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.