Home / 124,879.38-187,231.50-45,983.22

Finding the Fourth Proportional to 124,879.38, 187,231.50 and 45,983.22

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Solution

The fourth proportional to 124,879.38, 187,231.50 and 45,983.22 is: 68,942.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,879.38 : 187,231.50 = 45,983.22 : x
  2. Step 2: Convert to fraction form
    124,879.38/187,231.50 = 45,983.22/x
  3. Step 3: Cross multiply
    124,879.38x = 187,231.50 × 45,983.22
  4. Step 4: Simplify right side
    124,879.38x = 8,609,507,255.43
  5. Step 5: Solve for x
    x = 8,609,507,255.43/124,879.38
  6. Step 6: Final answer
    x = 68,942.58

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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.