Home / 125,711.97-188,567.46-50,831.21

Finding the Fourth Proportional to 125,711.97, 188,567.46 and 50,831.21

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Solution

The fourth proportional to 125,711.97, 188,567.46 and 50,831.21 is: 76,246.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,711.97 : 188,567.46 = 50,831.21 : x
  2. Step 2: Convert to fraction form
    125,711.97/188,567.46 = 50,831.21/x
  3. Step 3: Cross multiply
    125,711.97x = 188,567.46 × 50,831.21
  4. Step 4: Simplify right side
    125,711.97x = 9,585,111,215.59
  5. Step 5: Solve for x
    x = 9,585,111,215.59/125,711.97
  6. Step 6: Final answer
    x = 76,246.61

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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.