Home / 125,313.30-187,959.99-50,380.62

Finding the Fourth Proportional to 125,313.30, 187,959.99 and 50,380.62

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Solution

The fourth proportional to 125,313.30, 187,959.99 and 50,380.62 is: 75,566.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,313.30 : 187,959.99 = 50,380.62 : x
  2. Step 2: Convert to fraction form
    125,313.30/187,959.99 = 50,380.62/x
  3. Step 3: Cross multiply
    125,313.30x = 187,959.99 × 50,380.62
  4. Step 4: Simplify right side
    125,313.30x = 9,469,540,831.39
  5. Step 5: Solve for x
    x = 9,469,540,831.39/125,313.30
  6. Step 6: Final answer
    x = 75,566.93

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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.