Home / 96,989.40-145,447.79-33,793.30

Finding the Fourth Proportional to 96,989.40, 145,447.79 and 33,793.30

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Solution

The fourth proportional to 96,989.40, 145,447.79 and 33,793.30 is: 50,677.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,989.40 : 145,447.79 = 33,793.30 : x
  2. Step 2: Convert to fraction form
    96,989.40/145,447.79 = 33,793.30/x
  3. Step 3: Cross multiply
    96,989.40x = 145,447.79 × 33,793.30
  4. Step 4: Simplify right side
    96,989.40x = 4,915,160,074.57
  5. Step 5: Solve for x
    x = 4,915,160,074.57/96,989.40
  6. Step 6: Final answer
    x = 50,677.29

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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.