Home / 66,868.38-92,278.53-36,654.80

Finding the Fourth Proportional to 66,868.38, 92,278.53 and 36,654.80

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Solution

The fourth proportional to 66,868.38, 92,278.53 and 36,654.80 is: 50,583.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,868.38 : 92,278.53 = 36,654.80 : x
  2. Step 2: Convert to fraction form
    66,868.38/92,278.53 = 36,654.80/x
  3. Step 3: Cross multiply
    66,868.38x = 92,278.53 × 36,654.80
  4. Step 4: Simplify right side
    66,868.38x = 3,382,450,600.05
  5. Step 5: Solve for x
    x = 3,382,450,600.05/66,868.38
  6. Step 6: Final answer
    x = 50,583.71

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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.