Home / 95,519.18-143,278.92-28,959.36

Finding the Fourth Proportional to 95,519.18, 143,278.92 and 28,959.36

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Solution

The fourth proportional to 95,519.18, 143,278.92 and 28,959.36 is: 43,439.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,519.18 : 143,278.92 = 28,959.36 : x
  2. Step 2: Convert to fraction form
    95,519.18/143,278.92 = 28,959.36/x
  3. Step 3: Cross multiply
    95,519.18x = 143,278.92 × 28,959.36
  4. Step 4: Simplify right side
    95,519.18x = 4,149,265,824.69
  5. Step 5: Solve for x
    x = 4,149,265,824.69/95,519.18
  6. Step 6: Final answer
    x = 43,439.09

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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.