Home / 117,067.52-161,553.18-63,352.54

Finding the Fourth Proportional to 117,067.52, 161,553.18 and 63,352.54

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Solution

The fourth proportional to 117,067.52, 161,553.18 and 63,352.54 is: 87,426.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,067.52 : 161,553.18 = 63,352.54 : x
  2. Step 2: Convert to fraction form
    117,067.52/161,553.18 = 63,352.54/x
  3. Step 3: Cross multiply
    117,067.52x = 161,553.18 × 63,352.54
  4. Step 4: Simplify right side
    117,067.52x = 10,234,804,298.08
  5. Step 5: Solve for x
    x = 10,234,804,298.08/117,067.52
  6. Step 6: Final answer
    x = 87,426.51

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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.