Home / 80,564.94-120,860.37-33,831.18

Finding the Fourth Proportional to 80,564.94, 120,860.37 and 33,831.18

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Solution

The fourth proportional to 80,564.94, 120,860.37 and 33,831.18 is: 50,752.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,564.94 : 120,860.37 = 33,831.18 : x
  2. Step 2: Convert to fraction form
    80,564.94/120,860.37 = 33,831.18/x
  3. Step 3: Cross multiply
    80,564.94x = 120,860.37 × 33,831.18
  4. Step 4: Simplify right side
    80,564.94x = 4,088,848,932.34
  5. Step 5: Solve for x
    x = 4,088,848,932.34/80,564.94
  6. Step 6: Final answer
    x = 50,752.21

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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.