Home / 66,863.14-100,327.39-29,418.55

Finding the Fourth Proportional to 66,863.14, 100,327.39 and 29,418.55

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Solution

The fourth proportional to 66,863.14, 100,327.39 and 29,418.55 is: 44,142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,863.14 : 100,327.39 = 29,418.55 : x
  2. Step 2: Convert to fraction form
    66,863.14/100,327.39 = 29,418.55/x
  3. Step 3: Cross multiply
    66,863.14x = 100,327.39 × 29,418.55
  4. Step 4: Simplify right side
    66,863.14x = 2,951,486,014.72
  5. Step 5: Solve for x
    x = 2,951,486,014.72/66,863.14
  6. Step 6: Final answer
    x = 44,142.20

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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.