Home / 67,991.20-93,823.52-37,775.97

Finding the Fourth Proportional to 67,991.20, 93,823.52 and 37,775.97

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Solution

The fourth proportional to 67,991.20, 93,823.52 and 37,775.97 is: 52,128.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,991.20 : 93,823.52 = 37,775.97 : x
  2. Step 2: Convert to fraction form
    67,991.20/93,823.52 = 37,775.97/x
  3. Step 3: Cross multiply
    67,991.20x = 93,823.52 × 37,775.97
  4. Step 4: Simplify right side
    67,991.20x = 3,544,274,287.93
  5. Step 5: Solve for x
    x = 3,544,274,287.93/67,991.20
  6. Step 6: Final answer
    x = 52,128.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.