Home / 96,860.25-145,296.52-25,781.72

Finding the Fourth Proportional to 96,860.25, 145,296.52 and 25,781.72

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Solution

The fourth proportional to 96,860.25, 145,296.52 and 25,781.72 is: 38,674.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,860.25 : 145,296.52 = 25,781.72 : x
  2. Step 2: Convert to fraction form
    96,860.25/145,296.52 = 25,781.72/x
  3. Step 3: Cross multiply
    96,860.25x = 145,296.52 × 25,781.72
  4. Step 4: Simplify right side
    96,860.25x = 3,745,994,591.08
  5. Step 5: Solve for x
    x = 3,745,994,591.08/96,860.25
  6. Step 6: Final answer
    x = 38,674.22

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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.