Home / 52,448.25-78,664.20-28,767.44

Finding the Fourth Proportional to 52,448.25, 78,664.20 and 28,767.44

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Solution

The fourth proportional to 52,448.25, 78,664.20 and 28,767.44 is: 43,146.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,448.25 : 78,664.20 = 28,767.44 : x
  2. Step 2: Convert to fraction form
    52,448.25/78,664.20 = 28,767.44/x
  3. Step 3: Cross multiply
    52,448.25x = 78,664.20 × 28,767.44
  4. Step 4: Simplify right side
    52,448.25x = 2,262,967,850.31
  5. Step 5: Solve for x
    x = 2,262,967,850.31/52,448.25
  6. Step 6: Final answer
    x = 43,146.68

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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.