Home / 66,556.08-99,843.80-27,115.60

Finding the Fourth Proportional to 66,556.08, 99,843.80 and 27,115.60

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Solution

The fourth proportional to 66,556.08, 99,843.80 and 27,115.60 is: 40,677.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,556.08 : 99,843.80 = 27,115.60 : x
  2. Step 2: Convert to fraction form
    66,556.08/99,843.80 = 27,115.60/x
  3. Step 3: Cross multiply
    66,556.08x = 99,843.80 × 27,115.60
  4. Step 4: Simplify right side
    66,556.08x = 2,707,324,543.28
  5. Step 5: Solve for x
    x = 2,707,324,543.28/66,556.08
  6. Step 6: Final answer
    x = 40,677.34

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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.