Home / 75,279.92-112,896.80-52,055.60

Finding the Fourth Proportional to 75,279.92, 112,896.80 and 52,055.60

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Solution

The fourth proportional to 75,279.92, 112,896.80 and 52,055.60 is: 78,067.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,279.92 : 112,896.80 = 52,055.60 : x
  2. Step 2: Convert to fraction form
    75,279.92/112,896.80 = 52,055.60/x
  3. Step 3: Cross multiply
    75,279.92x = 112,896.80 × 52,055.60
  4. Step 4: Simplify right side
    75,279.92x = 5,876,910,662.08
  5. Step 5: Solve for x
    x = 5,876,910,662.08/75,279.92
  6. Step 6: Final answer
    x = 78,067.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.