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Finding the Fourth Proportional to 75,092.41, 103,620.49 and 44,871.71

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Solution

The fourth proportional to 75,092.41, 103,620.49 and 44,871.71 is: 61,918.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,092.41 : 103,620.49 = 44,871.71 : x
  2. Step 2: Convert to fraction form
    75,092.41/103,620.49 = 44,871.71/x
  3. Step 3: Cross multiply
    75,092.41x = 103,620.49 × 44,871.71
  4. Step 4: Simplify right side
    75,092.41x = 4,649,628,724.21
  5. Step 5: Solve for x
    x = 4,649,628,724.21/75,092.41
  6. Step 6: Final answer
    x = 61,918.76

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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.