Home / 66,853.16-92,257.49-36,639.60

Finding the Fourth Proportional to 66,853.16, 92,257.49 and 36,639.60

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Solution

The fourth proportional to 66,853.16, 92,257.49 and 36,639.60 is: 50,562.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,853.16 : 92,257.49 = 36,639.60 : x
  2. Step 2: Convert to fraction form
    66,853.16/92,257.49 = 36,639.60/x
  3. Step 3: Cross multiply
    66,853.16x = 92,257.49 × 36,639.60
  4. Step 4: Simplify right side
    66,853.16x = 3,380,277,692.14
  5. Step 5: Solve for x
    x = 3,380,277,692.14/66,853.16
  6. Step 6: Final answer
    x = 50,562.72

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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.