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Finding the Fourth Proportional to 68,364.39, 94,342.68 and 38,149.39

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Solution

The fourth proportional to 68,364.39, 94,342.68 and 38,149.39 is: 52,646.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,364.39 : 94,342.68 = 38,149.39 : x
  2. Step 2: Convert to fraction form
    68,364.39/94,342.68 = 38,149.39/x
  3. Step 3: Cross multiply
    68,364.39x = 94,342.68 × 38,149.39
  4. Step 4: Simplify right side
    68,364.39x = 3,599,115,314.05
  5. Step 5: Solve for x
    x = 3,599,115,314.05/68,364.39
  6. Step 6: Final answer
    x = 52,646.06

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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.