Home / 50,716.80-76,121.70-25,774.20

Finding the Fourth Proportional to 50,716.80, 76,121.70 and 25,774.20

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Solution

The fourth proportional to 50,716.80, 76,121.70 and 25,774.20 is: 38,684.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,716.80 : 76,121.70 = 25,774.20 : x
  2. Step 2: Convert to fraction form
    50,716.80/76,121.70 = 25,774.20/x
  3. Step 3: Cross multiply
    50,716.80x = 76,121.70 × 25,774.20
  4. Step 4: Simplify right side
    50,716.80x = 1,961,975,920.14
  5. Step 5: Solve for x
    x = 1,961,975,920.14/50,716.80
  6. Step 6: Final answer
    x = 38,684.93

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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.