Home / 88,638.30-132,969.60-29,467.80

Finding the Fourth Proportional to 88,638.30, 132,969.60 and 29,467.80

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Solution

The fourth proportional to 88,638.30, 132,969.60 and 29,467.80 is: 44,205.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,638.30 : 132,969.60 = 29,467.80 : x
  2. Step 2: Convert to fraction form
    88,638.30/132,969.60 = 29,467.80/x
  3. Step 3: Cross multiply
    88,638.30x = 132,969.60 × 29,467.80
  4. Step 4: Simplify right side
    88,638.30x = 3,918,321,578.88
  5. Step 5: Solve for x
    x = 3,918,321,578.88/88,638.30
  6. Step 6: Final answer
    x = 44,205.74

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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.