Home / 96,721.60-145,065.69-25,644.73

Finding the Fourth Proportional to 96,721.60, 145,065.69 and 25,644.73

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Solution

The fourth proportional to 96,721.60, 145,065.69 and 25,644.73 is: 38,462.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,721.60 : 145,065.69 = 25,644.73 : x
  2. Step 2: Convert to fraction form
    96,721.60/145,065.69 = 25,644.73/x
  3. Step 3: Cross multiply
    96,721.60x = 145,065.69 × 25,644.73
  4. Step 4: Simplify right side
    96,721.60x = 3,720,170,452.31
  5. Step 5: Solve for x
    x = 3,720,170,452.31/96,721.60
  6. Step 6: Final answer
    x = 38,462.66

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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.