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Finding the Fourth Proportional to 66,743.44, 92,105.12 and 36,528.64

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Solution

The fourth proportional to 66,743.44, 92,105.12 and 36,528.64 is: 50,409.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,743.44 : 92,105.12 = 36,528.64 : x
  2. Step 2: Convert to fraction form
    66,743.44/92,105.12 = 36,528.64/x
  3. Step 3: Cross multiply
    66,743.44x = 92,105.12 × 36,528.64
  4. Step 4: Simplify right side
    66,743.44x = 3,364,474,770.64
  5. Step 5: Solve for x
    x = 3,364,474,770.64/66,743.44
  6. Step 6: Final answer
    x = 50,409.07

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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.