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Finding the Fourth Proportional to 68,254.94, 94,198.88 and 41,039.95

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Solution

The fourth proportional to 68,254.94, 94,198.88 and 41,039.95 is: 56,639.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,254.94 : 94,198.88 = 41,039.95 : x
  2. Step 2: Convert to fraction form
    68,254.94/94,198.88 = 41,039.95/x
  3. Step 3: Cross multiply
    68,254.94x = 94,198.88 × 41,039.95
  4. Step 4: Simplify right side
    68,254.94x = 3,865,917,325.26
  5. Step 5: Solve for x
    x = 3,865,917,325.26/68,254.94
  6. Step 6: Final answer
    x = 56,639.38

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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.