Home / 125,879.14-188,753.70-37,121.36

Finding the Fourth Proportional to 125,879.14, 188,753.70 and 37,121.36

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Solution

The fourth proportional to 125,879.14, 188,753.70 and 37,121.36 is: 55,662.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,879.14 : 188,753.70 = 37,121.36 : x
  2. Step 2: Convert to fraction form
    125,879.14/188,753.70 = 37,121.36/x
  3. Step 3: Cross multiply
    125,879.14x = 188,753.70 × 37,121.36
  4. Step 4: Simplify right side
    125,879.14x = 7,006,794,049.03
  5. Step 5: Solve for x
    x = 7,006,794,049.03/125,879.14
  6. Step 6: Final answer
    x = 55,662.87

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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.