Home / 66,680.46-100,020.76-27,237.56

Finding the Fourth Proportional to 66,680.46, 100,020.76 and 27,237.56

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Solution

The fourth proportional to 66,680.46, 100,020.76 and 27,237.56 is: 40,856.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,680.46 : 100,020.76 = 27,237.56 : x
  2. Step 2: Convert to fraction form
    66,680.46/100,020.76 = 27,237.56/x
  3. Step 3: Cross multiply
    66,680.46x = 100,020.76 × 27,237.56
  4. Step 4: Simplify right side
    66,680.46x = 2,724,321,451.75
  5. Step 5: Solve for x
    x = 2,724,321,451.75/66,680.46
  6. Step 6: Final answer
    x = 40,856.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.