Home / 91,949.12-137,940.08-35,819.76

Finding the Fourth Proportional to 91,949.12, 137,940.08 and 35,819.76

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Solution

The fourth proportional to 91,949.12, 137,940.08 and 35,819.76 is: 53,736.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,949.12 : 137,940.08 = 35,819.76 : x
  2. Step 2: Convert to fraction form
    91,949.12/137,940.08 = 35,819.76/x
  3. Step 3: Cross multiply
    91,949.12x = 137,940.08 × 35,819.76
  4. Step 4: Simplify right side
    91,949.12x = 4,940,980,380.88
  5. Step 5: Solve for x
    x = 4,940,980,380.88/91,949.12
  6. Step 6: Final answer
    x = 53,736.03

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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.