Home / 95,449.10-143,137.20-28,867.10

Finding the Fourth Proportional to 95,449.10, 143,137.20 and 28,867.10

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Solution

The fourth proportional to 95,449.10, 143,137.20 and 28,867.10 is: 43,289.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,449.10 : 143,137.20 = 28,867.10 : x
  2. Step 2: Convert to fraction form
    95,449.10/143,137.20 = 28,867.10/x
  3. Step 3: Cross multiply
    95,449.10x = 143,137.20 × 28,867.10
  4. Step 4: Simplify right side
    95,449.10x = 4,131,955,866.12
  5. Step 5: Solve for x
    x = 4,131,955,866.12/95,449.10
  6. Step 6: Final answer
    x = 43,289.63

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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.