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Finding the Fourth Proportional to 66,885.14, 100,327.51 and 16,965.12

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Solution

The fourth proportional to 66,885.14, 100,327.51 and 16,965.12 is: 25,447.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,885.14 : 100,327.51 = 16,965.12 : x
  2. Step 2: Convert to fraction form
    66,885.14/100,327.51 = 16,965.12/x
  3. Step 3: Cross multiply
    66,885.14x = 100,327.51 × 16,965.12
  4. Step 4: Simplify right side
    66,885.14x = 1,702,068,361.71
  5. Step 5: Solve for x
    x = 1,702,068,361.71/66,885.14
  6. Step 6: Final answer
    x = 25,447.63

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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.