Home / 82,268.21-123,376.80-29,670.86

Finding the Fourth Proportional to 82,268.21, 123,376.80 and 29,670.86

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Solution

The fourth proportional to 82,268.21, 123,376.80 and 29,670.86 is: 44,497.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,268.21 : 123,376.80 = 29,670.86 : x
  2. Step 2: Convert to fraction form
    82,268.21/123,376.80 = 29,670.86/x
  3. Step 3: Cross multiply
    82,268.21x = 123,376.80 × 29,670.86
  4. Step 4: Simplify right side
    82,268.21x = 3,660,695,760.05
  5. Step 5: Solve for x
    x = 3,660,695,760.05/82,268.21
  6. Step 6: Final answer
    x = 44,497.09

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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.