Home / 53,910.81-80,833.28-25,839.45

Finding the Fourth Proportional to 53,910.81, 80,833.28 and 25,839.45

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Solution

The fourth proportional to 53,910.81, 80,833.28 and 25,839.45 is: 38,743.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,910.81 : 80,833.28 = 25,839.45 : x
  2. Step 2: Convert to fraction form
    53,910.81/80,833.28 = 25,839.45/x
  3. Step 3: Cross multiply
    53,910.81x = 80,833.28 × 25,839.45
  4. Step 4: Simplify right side
    53,910.81x = 2,088,687,367.70
  5. Step 5: Solve for x
    x = 2,088,687,367.70/53,910.81
  6. Step 6: Final answer
    x = 38,743.39

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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.