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Finding the Fourth Proportional to 68,326.70, 94,290.95 and 38,113.97

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Solution

The fourth proportional to 68,326.70, 94,290.95 and 38,113.97 is: 52,597.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,326.70 : 94,290.95 = 38,113.97 : x
  2. Step 2: Convert to fraction form
    68,326.70/94,290.95 = 38,113.97/x
  3. Step 3: Cross multiply
    68,326.70x = 94,290.95 × 38,113.97
  4. Step 4: Simplify right side
    68,326.70x = 3,593,802,249.00
  5. Step 5: Solve for x
    x = 3,593,802,249.00/68,326.70
  6. Step 6: Final answer
    x = 52,597.33

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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.