Home / 82,439.04-123,575.04-32,499.66

Finding the Fourth Proportional to 82,439.04, 123,575.04 and 32,499.66

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Solution

The fourth proportional to 82,439.04, 123,575.04 and 32,499.66 is: 48,716.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,439.04 : 123,575.04 = 32,499.66 : x
  2. Step 2: Convert to fraction form
    82,439.04/123,575.04 = 32,499.66/x
  3. Step 3: Cross multiply
    82,439.04x = 123,575.04 × 32,499.66
  4. Step 4: Simplify right side
    82,439.04x = 4,016,146,784.49
  5. Step 5: Solve for x
    x = 4,016,146,784.49/82,439.04
  6. Step 6: Final answer
    x = 48,716.56

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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.