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Finding the Fourth Proportional to 68,182.71, 94,092.12 and 39,893.87

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Solution

The fourth proportional to 68,182.71, 94,092.12 and 39,893.87 is: 55,053.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,182.71 : 94,092.12 = 39,893.87 : x
  2. Step 2: Convert to fraction form
    68,182.71/94,092.12 = 39,893.87/x
  3. Step 3: Cross multiply
    68,182.71x = 94,092.12 × 39,893.87
  4. Step 4: Simplify right side
    68,182.71x = 3,753,698,332.84
  5. Step 5: Solve for x
    x = 3,753,698,332.84/68,182.71
  6. Step 6: Final answer
    x = 55,053.52

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1.5x scale

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.