Home / 77,336.20-115,910.70-32,869.60

Finding the Fourth Proportional to 77,336.20, 115,910.70 and 32,869.60

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Solution

The fourth proportional to 77,336.20, 115,910.70 and 32,869.60 is: 49,264.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,336.20 : 115,910.70 = 32,869.60 : x
  2. Step 2: Convert to fraction form
    77,336.20/115,910.70 = 32,869.60/x
  3. Step 3: Cross multiply
    77,336.20x = 115,910.70 × 32,869.60
  4. Step 4: Simplify right side
    77,336.20x = 3,809,938,344.72
  5. Step 5: Solve for x
    x = 3,809,938,344.72/77,336.20
  6. Step 6: Final answer
    x = 49,264.62

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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.