Home / 52,743.83-72,786.60-28,872.03

Finding the Fourth Proportional to 52,743.83, 72,786.60 and 28,872.03

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Solution

The fourth proportional to 52,743.83, 72,786.60 and 28,872.03 is: 39,843.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,743.83 : 72,786.60 = 28,872.03 : x
  2. Step 2: Convert to fraction form
    52,743.83/72,786.60 = 28,872.03/x
  3. Step 3: Cross multiply
    52,743.83x = 72,786.60 × 28,872.03
  4. Step 4: Simplify right side
    52,743.83x = 2,101,496,754.44
  5. Step 5: Solve for x
    x = 2,101,496,754.44/52,743.83
  6. Step 6: Final answer
    x = 39,843.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.