Home / 52,745.24-72,788.49-28,871.97

Finding the Fourth Proportional to 52,745.24, 72,788.49 and 28,871.97

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Solution

The fourth proportional to 52,745.24, 72,788.49 and 28,871.97 is: 39,843.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,745.24 : 72,788.49 = 28,871.97 : x
  2. Step 2: Convert to fraction form
    52,745.24/72,788.49 = 28,871.97/x
  3. Step 3: Cross multiply
    52,745.24x = 72,788.49 × 28,871.97
  4. Step 4: Simplify right side
    52,745.24x = 2,101,546,909.58
  5. Step 5: Solve for x
    x = 2,101,546,909.58/52,745.24
  6. Step 6: Final answer
    x = 39,843.35

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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.