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Finding the Fourth Proportional to 68,322, 94,284.36 and 38,514

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Solution

The fourth proportional to 68,322, 94,284.36 and 38,514 is: 53,149.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,322 : 94,284.36 = 38,514 : x
  2. Step 2: Convert to fraction form
    68,322/94,284.36 = 38,514/x
  3. Step 3: Cross multiply
    68,322x = 94,284.36 × 38,514
  4. Step 4: Simplify right side
    68,322x = 3,631,267,841.04
  5. Step 5: Solve for x
    x = 3,631,267,841.04/68,322
  6. Step 6: Final answer
    x = 53,149.32

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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.