Home / 52,745.21-72,788.49-28,873.41

Finding the Fourth Proportional to 52,745.21, 72,788.49 and 28,873.41

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Solution

The fourth proportional to 52,745.21, 72,788.49 and 28,873.41 is: 39,845.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,745.21 : 72,788.49 = 28,873.41 : x
  2. Step 2: Convert to fraction form
    52,745.21/72,788.49 = 28,873.41/x
  3. Step 3: Cross multiply
    52,745.21x = 72,788.49 × 28,873.41
  4. Step 4: Simplify right side
    52,745.21x = 2,101,651,915.05
  5. Step 5: Solve for x
    x = 2,101,651,915.05/52,745.21
  6. Step 6: Final answer
    x = 39,845.36

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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.