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Finding the Fourth Proportional to 66,770.62, 92,143.72 and 36,558.75

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Solution

The fourth proportional to 66,770.62, 92,143.72 and 36,558.75 is: 50,451.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,770.62 : 92,143.72 = 36,558.75 : x
  2. Step 2: Convert to fraction form
    66,770.62/92,143.72 = 36,558.75/x
  3. Step 3: Cross multiply
    66,770.62x = 92,143.72 × 36,558.75
  4. Step 4: Simplify right side
    66,770.62x = 3,368,659,458.45
  5. Step 5: Solve for x
    x = 3,368,659,458.45/66,770.62
  6. Step 6: Final answer
    x = 50,451.22

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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.