Home / 117,067.79-161,552.30-63,351.60

Finding the Fourth Proportional to 117,067.79, 161,552.30 and 63,351.60

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Solution

The fourth proportional to 117,067.79, 161,552.30 and 63,351.60 is: 87,424.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,067.79 : 161,552.30 = 63,351.60 : x
  2. Step 2: Convert to fraction form
    117,067.79/161,552.30 = 63,351.60/x
  3. Step 3: Cross multiply
    117,067.79x = 161,552.30 × 63,351.60
  4. Step 4: Simplify right side
    117,067.79x = 10,234,596,371.92
  5. Step 5: Solve for x
    x = 10,234,596,371.92/117,067.79
  6. Step 6: Final answer
    x = 87,424.53

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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.