Home / 66,876.54-92,286.97-40,003.03

Finding the Fourth Proportional to 66,876.54, 92,286.97 and 40,003.03

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Solution

The fourth proportional to 66,876.54, 92,286.97 and 40,003.03 is: 55,202.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,876.54 : 92,286.97 = 40,003.03 : x
  2. Step 2: Convert to fraction form
    66,876.54/92,286.97 = 40,003.03/x
  3. Step 3: Cross multiply
    66,876.54x = 92,286.97 × 40,003.03
  4. Step 4: Simplify right side
    66,876.54x = 3,691,758,429.52
  5. Step 5: Solve for x
    x = 3,691,758,429.52/66,876.54
  6. Step 6: Final answer
    x = 55,202.59

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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.