Home / 115,791.84-173,375.40-75,711.36

Finding the Fourth Proportional to 115,791.84, 173,375.40 and 75,711.36

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Solution

The fourth proportional to 115,791.84, 173,375.40 and 75,711.36 is: 113,362.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,791.84 : 173,375.40 = 75,711.36 : x
  2. Step 2: Convert to fraction form
    115,791.84/173,375.40 = 75,711.36/x
  3. Step 3: Cross multiply
    115,791.84x = 173,375.40 × 75,711.36
  4. Step 4: Simplify right side
    115,791.84x = 13,126,487,324.54
  5. Step 5: Solve for x
    x = 13,126,487,324.54/115,791.84
  6. Step 6: Final answer
    x = 113,362.80

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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.