Home / 66,286.38-99,234.20-43,755.50

Finding the Fourth Proportional to 66,286.38, 99,234.20 and 43,755.50

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Solution

The fourth proportional to 66,286.38, 99,234.20 and 43,755.50 is: 65,504.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,286.38 : 99,234.20 = 43,755.50 : x
  2. Step 2: Convert to fraction form
    66,286.38/99,234.20 = 43,755.50/x
  3. Step 3: Cross multiply
    66,286.38x = 99,234.20 × 43,755.50
  4. Step 4: Simplify right side
    66,286.38x = 4,342,041,323.15
  5. Step 5: Solve for x
    x = 4,342,041,323.15/66,286.38
  6. Step 6: Final answer
    x = 65,504.28

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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.