Home / 98,561.20-147,867.72-51,179.44

Finding the Fourth Proportional to 98,561.20, 147,867.72 and 51,179.44

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Solution

The fourth proportional to 98,561.20, 147,867.72 and 51,179.44 is: 76,782.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,561.20 : 147,867.72 = 51,179.44 : x
  2. Step 2: Convert to fraction form
    98,561.20/147,867.72 = 51,179.44/x
  3. Step 3: Cross multiply
    98,561.20x = 147,867.72 × 51,179.44
  4. Step 4: Simplify right side
    98,561.20x = 7,567,787,103.68
  5. Step 5: Solve for x
    x = 7,567,787,103.68/98,561.20
  6. Step 6: Final answer
    x = 76,782.62

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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.