Home / 66,839.58-92,238.55-36,626.78

Finding the Fourth Proportional to 66,839.58, 92,238.55 and 36,626.78

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Solution

The fourth proportional to 66,839.58, 92,238.55 and 36,626.78 is: 50,544.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,839.58 : 92,238.55 = 36,626.78 : x
  2. Step 2: Convert to fraction form
    66,839.58/92,238.55 = 36,626.78/x
  3. Step 3: Cross multiply
    66,839.58x = 92,238.55 × 36,626.78
  4. Step 4: Simplify right side
    66,839.58x = 3,378,401,217.40
  5. Step 5: Solve for x
    x = 3,378,401,217.40/66,839.58
  6. Step 6: Final answer
    x = 50,544.92

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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.