Home / 68,543.16-94,550.13-40,243.38

Finding the Fourth Proportional to 68,543.16, 94,550.13 and 40,243.38

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Solution

The fourth proportional to 68,543.16, 94,550.13 and 40,243.38 is: 55,512.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,543.16 : 94,550.13 = 40,243.38 : x
  2. Step 2: Convert to fraction form
    68,543.16/94,550.13 = 40,243.38/x
  3. Step 3: Cross multiply
    68,543.16x = 94,550.13 × 40,243.38
  4. Step 4: Simplify right side
    68,543.16x = 3,805,016,810.64
  5. Step 5: Solve for x
    x = 3,805,016,810.64/68,543.16
  6. Step 6: Final answer
    x = 55,512.71

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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.