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Finding the Fourth Proportional to 68,326.54, 94,334.52 and 42,867.83

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Solution

The fourth proportional to 68,326.54, 94,334.52 and 42,867.83 is: 59,185.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,326.54 : 94,334.52 = 42,867.83 : x
  2. Step 2: Convert to fraction form
    68,326.54/94,334.52 = 42,867.83/x
  3. Step 3: Cross multiply
    68,326.54x = 94,334.52 × 42,867.83
  4. Step 4: Simplify right side
    68,326.54x = 4,043,916,563.08
  5. Step 5: Solve for x
    x = 4,043,916,563.08/68,326.54
  6. Step 6: Final answer
    x = 59,185.15

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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.