Home / 82,614.48-123,820.20-38,181.12

Finding the Fourth Proportional to 82,614.48, 123,820.20 and 38,181.12

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Solution

The fourth proportional to 82,614.48, 123,820.20 and 38,181.12 is: 57,224.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,614.48 : 123,820.20 = 38,181.12 : x
  2. Step 2: Convert to fraction form
    82,614.48/123,820.20 = 38,181.12/x
  3. Step 3: Cross multiply
    82,614.48x = 123,820.20 × 38,181.12
  4. Step 4: Simplify right side
    82,614.48x = 4,727,593,914.62
  5. Step 5: Solve for x
    x = 4,727,593,914.62/82,614.48
  6. Step 6: Final answer
    x = 57,224.76

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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.