Home / 66,396.38-91,627.45-36,181.61

Finding the Fourth Proportional to 66,396.38, 91,627.45 and 36,181.61

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Solution

The fourth proportional to 66,396.38, 91,627.45 and 36,181.61 is: 49,930.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,396.38 : 91,627.45 = 36,181.61 : x
  2. Step 2: Convert to fraction form
    66,396.38/91,627.45 = 36,181.61/x
  3. Step 3: Cross multiply
    66,396.38x = 91,627.45 × 36,181.61
  4. Step 4: Simplify right side
    66,396.38x = 3,315,228,661.19
  5. Step 5: Solve for x
    x = 3,315,228,661.19/66,396.38
  6. Step 6: Final answer
    x = 49,930.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.