Home / 66,115.11-99,171.98-16,195.47

Finding the Fourth Proportional to 66,115.11, 99,171.98 and 16,195.47

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Solution

The fourth proportional to 66,115.11, 99,171.98 and 16,195.47 is: 24,293.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,115.11 : 99,171.98 = 16,195.47 : x
  2. Step 2: Convert to fraction form
    66,115.11/99,171.98 = 16,195.47/x
  3. Step 3: Cross multiply
    66,115.11x = 99,171.98 × 16,195.47
  4. Step 4: Simplify right side
    66,115.11x = 1,606,136,867.42
  5. Step 5: Solve for x
    x = 1,606,136,867.42/66,115.11
  6. Step 6: Final answer
    x = 24,293.04

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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.