Home / 82,317.24-123,461.55-23,138.87

Finding the Fourth Proportional to 82,317.24, 123,461.55 and 23,138.87

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Solution

The fourth proportional to 82,317.24, 123,461.55 and 23,138.87 is: 34,704.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,317.24 : 123,461.55 = 23,138.87 : x
  2. Step 2: Convert to fraction form
    82,317.24/123,461.55 = 23,138.87/x
  3. Step 3: Cross multiply
    82,317.24x = 123,461.55 × 23,138.87
  4. Step 4: Simplify right side
    82,317.24x = 2,856,760,138.14
  5. Step 5: Solve for x
    x = 2,856,760,138.14/82,317.24
  6. Step 6: Final answer
    x = 34,704.28

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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.