Home / 88,302.40-132,453.60-29,147.20

Finding the Fourth Proportional to 88,302.40, 132,453.60 and 29,147.20

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Solution

The fourth proportional to 88,302.40, 132,453.60 and 29,147.20 is: 43,720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,302.40 : 132,453.60 = 29,147.20 : x
  2. Step 2: Convert to fraction form
    88,302.40/132,453.60 = 29,147.20/x
  3. Step 3: Cross multiply
    88,302.40x = 132,453.60 × 29,147.20
  4. Step 4: Simplify right side
    88,302.40x = 3,860,651,569.92
  5. Step 5: Solve for x
    x = 3,860,651,569.92/88,302.40
  6. Step 6: Final answer
    x = 43,720.80

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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.