Home / 100,732.61-151,104.31-25,853.40

Finding the Fourth Proportional to 100,732.61, 151,104.31 and 25,853.40

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Solution

The fourth proportional to 100,732.61, 151,104.31 and 25,853.40 is: 38,781.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,732.61 : 151,104.31 = 25,853.40 : x
  2. Step 2: Convert to fraction form
    100,732.61/151,104.31 = 25,853.40/x
  3. Step 3: Cross multiply
    100,732.61x = 151,104.31 × 25,853.40
  4. Step 4: Simplify right side
    100,732.61x = 3,906,560,168.15
  5. Step 5: Solve for x
    x = 3,906,560,168.15/100,732.61
  6. Step 6: Final answer
    x = 38,781.48

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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.