Home / 115,179.12-172,765.44-62,919.54

Finding the Fourth Proportional to 115,179.12, 172,765.44 and 62,919.54

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Solution

The fourth proportional to 115,179.12, 172,765.44 and 62,919.54 is: 94,377.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,179.12 : 172,765.44 = 62,919.54 : x
  2. Step 2: Convert to fraction form
    115,179.12/172,765.44 = 62,919.54/x
  3. Step 3: Cross multiply
    115,179.12x = 172,765.44 × 62,919.54
  4. Step 4: Simplify right side
    115,179.12x = 10,870,322,012.70
  5. Step 5: Solve for x
    x = 10,870,322,012.70/115,179.12
  6. Step 6: Final answer
    x = 94,377.54

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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.