Home / 68,984.02-95,198.27-40,305.31

Finding the Fourth Proportional to 68,984.02, 95,198.27 and 40,305.31

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Solution

The fourth proportional to 68,984.02, 95,198.27 and 40,305.31 is: 55,621.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,984.02 : 95,198.27 = 40,305.31 : x
  2. Step 2: Convert to fraction form
    68,984.02/95,198.27 = 40,305.31/x
  3. Step 3: Cross multiply
    68,984.02x = 95,198.27 × 40,305.31
  4. Step 4: Simplify right side
    68,984.02x = 3,836,995,307.82
  5. Step 5: Solve for x
    x = 3,836,995,307.82/68,984.02
  6. Step 6: Final answer
    x = 55,621.51

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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.