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Finding the Fourth Proportional to 73,292.52, 109,877.22 and 51,040.20

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Solution

The fourth proportional to 73,292.52, 109,877.22 and 51,040.20 is: 76,517.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,292.52 : 109,877.22 = 51,040.20 : x
  2. Step 2: Convert to fraction form
    73,292.52/109,877.22 = 51,040.20/x
  3. Step 3: Cross multiply
    73,292.52x = 109,877.22 × 51,040.20
  4. Step 4: Simplify right side
    73,292.52x = 5,608,155,284.24
  5. Step 5: Solve for x
    x = 5,608,155,284.24/73,292.52
  6. Step 6: Final answer
    x = 76,517.43

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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.