Home / 52,500.62-78,745.17-18,759.44

Finding the Fourth Proportional to 52,500.62, 78,745.17 and 18,759.44

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Solution

The fourth proportional to 52,500.62, 78,745.17 and 18,759.44 is: 28,137.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,500.62 : 78,745.17 = 18,759.44 : x
  2. Step 2: Convert to fraction form
    52,500.62/78,745.17 = 18,759.44/x
  3. Step 3: Cross multiply
    52,500.62x = 78,745.17 × 18,759.44
  4. Step 4: Simplify right side
    52,500.62x = 1,477,215,291.90
  5. Step 5: Solve for x
    x = 1,477,215,291.90/52,500.62
  6. Step 6: Final answer
    x = 28,137.10

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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.