Home / 77,975.25-116,982.36-22,571.25

Finding the Fourth Proportional to 77,975.25, 116,982.36 and 22,571.25

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Solution

The fourth proportional to 77,975.25, 116,982.36 and 22,571.25 is: 33,862.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,975.25 : 116,982.36 = 22,571.25 : x
  2. Step 2: Convert to fraction form
    77,975.25/116,982.36 = 22,571.25/x
  3. Step 3: Cross multiply
    77,975.25x = 116,982.36 × 22,571.25
  4. Step 4: Simplify right side
    77,975.25x = 2,640,438,093.15
  5. Step 5: Solve for x
    x = 2,640,438,093.15/77,975.25
  6. Step 6: Final answer
    x = 33,862.52

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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.