Home / 66,230.80-99,346.20-28,833.10

Finding the Fourth Proportional to 66,230.80, 99,346.20 and 28,833.10

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Solution

The fourth proportional to 66,230.80, 99,346.20 and 28,833.10 is: 43,249.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,230.80 : 99,346.20 = 28,833.10 : x
  2. Step 2: Convert to fraction form
    66,230.80/99,346.20 = 28,833.10/x
  3. Step 3: Cross multiply
    66,230.80x = 99,346.20 × 28,833.10
  4. Step 4: Simplify right side
    66,230.80x = 2,864,458,919.22
  5. Step 5: Solve for x
    x = 2,864,458,919.22/66,230.80
  6. Step 6: Final answer
    x = 43,249.65

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Similar ratio
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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.