Home / 96,540.50-133,086.30-67,772.57

Finding the Fourth Proportional to 96,540.50, 133,086.30 and 67,772.57

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Solution

The fourth proportional to 96,540.50, 133,086.30 and 67,772.57 is: 93,428.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,540.50 : 133,086.30 = 67,772.57 : x
  2. Step 2: Convert to fraction form
    96,540.50/133,086.30 = 67,772.57/x
  3. Step 3: Cross multiply
    96,540.50x = 133,086.30 × 67,772.57
  4. Step 4: Simplify right side
    96,540.50x = 9,019,599,991.59
  5. Step 5: Solve for x
    x = 9,019,599,991.59/96,540.50
  6. Step 6: Final answer
    x = 93,428.14

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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.