Home / 52,078.75-78,200.44-50,375.93

Finding the Fourth Proportional to 52,078.75, 78,200.44 and 50,375.93

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Solution

The fourth proportional to 52,078.75, 78,200.44 and 50,375.93 is: 75,643.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,078.75 : 78,200.44 = 50,375.93 : x
  2. Step 2: Convert to fraction form
    52,078.75/78,200.44 = 50,375.93/x
  3. Step 3: Cross multiply
    52,078.75x = 78,200.44 × 50,375.93
  4. Step 4: Simplify right side
    52,078.75x = 3,939,419,374.47
  5. Step 5: Solve for x
    x = 3,939,419,374.47/52,078.75
  6. Step 6: Final answer
    x = 75,643.51

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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.