Home / 52,198.32-78,297.48-12,755.38

Finding the Fourth Proportional to 52,198.32, 78,297.48 and 12,755.38

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Solution

The fourth proportional to 52,198.32, 78,297.48 and 12,755.38 is: 19,133.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,198.32 : 78,297.48 = 12,755.38 : x
  2. Step 2: Convert to fraction form
    52,198.32/78,297.48 = 12,755.38/x
  3. Step 3: Cross multiply
    52,198.32x = 78,297.48 × 12,755.38
  4. Step 4: Simplify right side
    52,198.32x = 998,714,110.44
  5. Step 5: Solve for x
    x = 998,714,110.44/52,198.32
  6. Step 6: Final answer
    x = 19,133.07

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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.