Home / 68,387.27-94,390.17-40,102.07

Finding the Fourth Proportional to 68,387.27, 94,390.17 and 40,102.07

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Solution

The fourth proportional to 68,387.27, 94,390.17 and 40,102.07 is: 55,350.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,387.27 : 94,390.17 = 40,102.07 : x
  2. Step 2: Convert to fraction form
    68,387.27/94,390.17 = 40,102.07/x
  3. Step 3: Cross multiply
    68,387.27x = 94,390.17 × 40,102.07
  4. Step 4: Simplify right side
    68,387.27x = 3,785,240,732.70
  5. Step 5: Solve for x
    x = 3,785,240,732.70/68,387.27
  6. Step 6: Final answer
    x = 55,350.08

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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.