Home / 96,859.24-145,288.64-25,781.89

Finding the Fourth Proportional to 96,859.24, 145,288.64 and 25,781.89

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Solution

The fourth proportional to 96,859.24, 145,288.64 and 25,781.89 is: 38,672.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,859.24 : 145,288.64 = 25,781.89 : x
  2. Step 2: Convert to fraction form
    96,859.24/145,288.64 = 25,781.89/x
  3. Step 3: Cross multiply
    96,859.24x = 145,288.64 × 25,781.89
  4. Step 4: Simplify right side
    96,859.24x = 3,745,815,734.73
  5. Step 5: Solve for x
    x = 3,745,815,734.73/96,859.24
  6. Step 6: Final answer
    x = 38,672.78

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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.