Home / 82,537.24-123,789.45-40,399.22

Finding the Fourth Proportional to 82,537.24, 123,789.45 and 40,399.22

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Solution

The fourth proportional to 82,537.24, 123,789.45 and 40,399.22 is: 60,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,537.24 : 123,789.45 = 40,399.22 : x
  2. Step 2: Convert to fraction form
    82,537.24/123,789.45 = 40,399.22/x
  3. Step 3: Cross multiply
    82,537.24x = 123,789.45 × 40,399.22
  4. Step 4: Simplify right side
    82,537.24x = 5,000,997,224.23
  5. Step 5: Solve for x
    x = 5,000,997,224.23/82,537.24
  6. Step 6: Final answer
    x = 60,590.80

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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.