Home / 68,617.44-94,694.40-40,322.64

Finding the Fourth Proportional to 68,617.44, 94,694.40 and 40,322.64

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Solution

The fourth proportional to 68,617.44, 94,694.40 and 40,322.64 is: 55,646.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,617.44 : 94,694.40 = 40,322.64 : x
  2. Step 2: Convert to fraction form
    68,617.44/94,694.40 = 40,322.64/x
  3. Step 3: Cross multiply
    68,617.44x = 94,694.40 × 40,322.64
  4. Step 4: Simplify right side
    68,617.44x = 3,818,328,201.22
  5. Step 5: Solve for x
    x = 3,818,328,201.22/68,617.44
  6. Step 6: Final answer
    x = 55,646.61

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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.