Home / 66,403.60-99,620.20-24,282.75

Finding the Fourth Proportional to 66,403.60, 99,620.20 and 24,282.75

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Solution

The fourth proportional to 66,403.60, 99,620.20 and 24,282.75 is: 36,429.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,403.60 : 99,620.20 = 24,282.75 : x
  2. Step 2: Convert to fraction form
    66,403.60/99,620.20 = 24,282.75/x
  3. Step 3: Cross multiply
    66,403.60x = 99,620.20 × 24,282.75
  4. Step 4: Simplify right side
    66,403.60x = 2,419,052,190.65
  5. Step 5: Solve for x
    x = 2,419,052,190.65/66,403.60
  6. Step 6: Final answer
    x = 36,429.53

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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.