Home / 125,712.71-188,568.57-50,831.96

Finding the Fourth Proportional to 125,712.71, 188,568.57 and 50,831.96

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Solution

The fourth proportional to 125,712.71, 188,568.57 and 50,831.96 is: 76,247.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,712.71 : 188,568.57 = 50,831.96 : x
  2. Step 2: Convert to fraction form
    125,712.71/188,568.57 = 50,831.96/x
  3. Step 3: Cross multiply
    125,712.71x = 188,568.57 × 50,831.96
  4. Step 4: Simplify right side
    125,712.71x = 9,585,309,255.27
  5. Step 5: Solve for x
    x = 9,585,309,255.27/125,712.71
  6. Step 6: Final answer
    x = 76,247.73

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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.