Home / 69,398.97-95,931.99-61,919.43

Finding the Fourth Proportional to 69,398.97, 95,931.99 and 61,919.43

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Solution

The fourth proportional to 69,398.97, 95,931.99 and 61,919.43 is: 85,592.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,398.97 : 95,931.99 = 61,919.43 : x
  2. Step 2: Convert to fraction form
    69,398.97/95,931.99 = 61,919.43/x
  3. Step 3: Cross multiply
    69,398.97x = 95,931.99 × 61,919.43
  4. Step 4: Simplify right side
    69,398.97x = 5,940,054,147.20
  5. Step 5: Solve for x
    x = 5,940,054,147.20/69,398.97
  6. Step 6: Final answer
    x = 85,592.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.