Home / 99,757.46-149,397.84-55,273.88

Finding the Fourth Proportional to 99,757.46, 149,397.84 and 55,273.88

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Solution

The fourth proportional to 99,757.46, 149,397.84 and 55,273.88 is: 82,778.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,757.46 : 149,397.84 = 55,273.88 : x
  2. Step 2: Convert to fraction form
    99,757.46/149,397.84 = 55,273.88/x
  3. Step 3: Cross multiply
    99,757.46x = 149,397.84 × 55,273.88
  4. Step 4: Simplify right side
    99,757.46x = 8,257,797,533.43
  5. Step 5: Solve for x
    x = 8,257,797,533.43/99,757.46
  6. Step 6: Final answer
    x = 82,778.75

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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.