Home / 52,296.44-78,420.16-18,993.29

Finding the Fourth Proportional to 52,296.44, 78,420.16 and 18,993.29

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Solution

The fourth proportional to 52,296.44, 78,420.16 and 18,993.29 is: 28,481.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,296.44 : 78,420.16 = 18,993.29 : x
  2. Step 2: Convert to fraction form
    52,296.44/78,420.16 = 18,993.29/x
  3. Step 3: Cross multiply
    52,296.44x = 78,420.16 × 18,993.29
  4. Step 4: Simplify right side
    52,296.44x = 1,489,456,745.76
  5. Step 5: Solve for x
    x = 1,489,456,745.76/52,296.44
  6. Step 6: Final answer
    x = 28,481.04

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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.