Home / 66,441.63-91,690.17-36,226.71

Finding the Fourth Proportional to 66,441.63, 91,690.17 and 36,226.71

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Solution

The fourth proportional to 66,441.63, 91,690.17 and 36,226.71 is: 49,993.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,441.63 : 91,690.17 = 36,226.71 : x
  2. Step 2: Convert to fraction form
    66,441.63/91,690.17 = 36,226.71/x
  3. Step 3: Cross multiply
    66,441.63x = 91,690.17 × 36,226.71
  4. Step 4: Simplify right side
    66,441.63x = 3,321,633,198.44
  5. Step 5: Solve for x
    x = 3,321,633,198.44/66,441.63
  6. Step 6: Final answer
    x = 49,993.25

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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.