Home / 75,868.80-113,889.60-44,721.60

Finding the Fourth Proportional to 75,868.80, 113,889.60 and 44,721.60

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Solution

The fourth proportional to 75,868.80, 113,889.60 and 44,721.60 is: 67,133.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,868.80 : 113,889.60 = 44,721.60 : x
  2. Step 2: Convert to fraction form
    75,868.80/113,889.60 = 44,721.60/x
  3. Step 3: Cross multiply
    75,868.80x = 113,889.60 × 44,721.60
  4. Step 4: Simplify right side
    75,868.80x = 5,093,325,135.36
  5. Step 5: Solve for x
    x = 5,093,325,135.36/75,868.80
  6. Step 6: Final answer
    x = 67,133.33

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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.