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Finding the Fourth Proportional to 92,062.73, 137,797.10 and 47,628.29

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Solution

The fourth proportional to 92,062.73, 137,797.10 and 47,628.29 is: 71,288.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,062.73 : 137,797.10 = 47,628.29 : x
  2. Step 2: Convert to fraction form
    92,062.73/137,797.10 = 47,628.29/x
  3. Step 3: Cross multiply
    92,062.73x = 137,797.10 × 47,628.29
  4. Step 4: Simplify right side
    92,062.73x = 6,563,040,524.92
  5. Step 5: Solve for x
    x = 6,563,040,524.92/92,062.73
  6. Step 6: Final answer
    x = 71,288.79

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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.