Home / 87,528.97-131,293.46-69,916.33

Finding the Fourth Proportional to 87,528.97, 131,293.46 and 69,916.33

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Solution

The fourth proportional to 87,528.97, 131,293.46 and 69,916.33 is: 104,874.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,528.97 : 131,293.46 = 69,916.33 : x
  2. Step 2: Convert to fraction form
    87,528.97/131,293.46 = 69,916.33/x
  3. Step 3: Cross multiply
    87,528.97x = 131,293.46 × 69,916.33
  4. Step 4: Simplify right side
    87,528.97x = 9,179,556,876.20
  5. Step 5: Solve for x
    x = 9,179,556,876.20/87,528.97
  6. Step 6: Final answer
    x = 104,874.50

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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.