Home / 112,481.52-168,658.38-45,843.60

Finding the Fourth Proportional to 112,481.52, 168,658.38 and 45,843.60

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Solution

The fourth proportional to 112,481.52, 168,658.38 and 45,843.60 is: 68,739.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,481.52 : 168,658.38 = 45,843.60 : x
  2. Step 2: Convert to fraction form
    112,481.52/168,658.38 = 45,843.60/x
  3. Step 3: Cross multiply
    112,481.52x = 168,658.38 × 45,843.60
  4. Step 4: Simplify right side
    112,481.52x = 7,731,907,309.37
  5. Step 5: Solve for x
    x = 7,731,907,309.37/112,481.52
  6. Step 6: Final answer
    x = 68,739.36

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1.5x scale

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.