Home / 88,629.80-132,944.70-60,636.20

Finding the Fourth Proportional to 88,629.80, 132,944.70 and 60,636.20

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Solution

The fourth proportional to 88,629.80, 132,944.70 and 60,636.20 is: 90,954.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,629.80 : 132,944.70 = 60,636.20 : x
  2. Step 2: Convert to fraction form
    88,629.80/132,944.70 = 60,636.20/x
  3. Step 3: Cross multiply
    88,629.80x = 132,944.70 × 60,636.20
  4. Step 4: Simplify right side
    88,629.80x = 8,061,261,418.14
  5. Step 5: Solve for x
    x = 8,061,261,418.14/88,629.80
  6. Step 6: Final answer
    x = 90,954.30

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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.