Home / 68,390.02-94,393.97-40,104.82

Finding the Fourth Proportional to 68,390.02, 94,393.97 and 40,104.82

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Solution

The fourth proportional to 68,390.02, 94,393.97 and 40,104.82 is: 55,353.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,390.02 : 94,393.97 = 40,104.82 : x
  2. Step 2: Convert to fraction form
    68,390.02/94,393.97 = 40,104.82/x
  3. Step 3: Cross multiply
    68,390.02x = 94,393.97 × 40,104.82
  4. Step 4: Simplify right side
    68,390.02x = 3,785,652,503.44
  5. Step 5: Solve for x
    x = 3,785,652,503.44/68,390.02
  6. Step 6: Final answer
    x = 55,353.88

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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.