Home / 125,150.32-187,608.84-41,986

Finding the Fourth Proportional to 125,150.32, 187,608.84 and 41,986

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Solution

The fourth proportional to 125,150.32, 187,608.84 and 41,986 is: 62,939.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,150.32 : 187,608.84 = 41,986 : x
  2. Step 2: Convert to fraction form
    125,150.32/187,608.84 = 41,986/x
  3. Step 3: Cross multiply
    125,150.32x = 187,608.84 × 41,986
  4. Step 4: Simplify right side
    125,150.32x = 7,876,944,756.24
  5. Step 5: Solve for x
    x = 7,876,944,756.24/125,150.32
  6. Step 6: Final answer
    x = 62,939.87

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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.