Home / 98,226.20-135,568.46-57,949.85

Finding the Fourth Proportional to 98,226.20, 135,568.46 and 57,949.85

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Solution

The fourth proportional to 98,226.20, 135,568.46 and 57,949.85 is: 79,980.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,226.20 : 135,568.46 = 57,949.85 : x
  2. Step 2: Convert to fraction form
    98,226.20/135,568.46 = 57,949.85/x
  3. Step 3: Cross multiply
    98,226.20x = 135,568.46 × 57,949.85
  4. Step 4: Simplify right side
    98,226.20x = 7,856,172,405.53
  5. Step 5: Solve for x
    x = 7,856,172,405.53/98,226.20
  6. Step 6: Final answer
    x = 79,980.41

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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.