Home / 66,244.12-91,416.82-37,949.92

Finding the Fourth Proportional to 66,244.12, 91,416.82 and 37,949.92

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Solution

The fourth proportional to 66,244.12, 91,416.82 and 37,949.92 is: 52,370.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,244.12 : 91,416.82 = 37,949.92 : x
  2. Step 2: Convert to fraction form
    66,244.12/91,416.82 = 37,949.92/x
  3. Step 3: Cross multiply
    66,244.12x = 91,416.82 × 37,949.92
  4. Step 4: Simplify right side
    66,244.12x = 3,469,261,005.65
  5. Step 5: Solve for x
    x = 3,469,261,005.65/66,244.12
  6. Step 6: Final answer
    x = 52,370.85

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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.