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Finding the Fourth Proportional to 66,824.75, 100,237.13 and 26,861.91

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Solution

The fourth proportional to 66,824.75, 100,237.13 and 26,861.91 is: 40,292.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,824.75 : 100,237.13 = 26,861.91 : x
  2. Step 2: Convert to fraction form
    66,824.75/100,237.13 = 26,861.91/x
  3. Step 3: Cross multiply
    66,824.75x = 100,237.13 × 26,861.91
  4. Step 4: Simplify right side
    66,824.75x = 2,692,560,630.41
  5. Step 5: Solve for x
    x = 2,692,560,630.41/66,824.75
  6. Step 6: Final answer
    x = 40,292.87

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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.