Home / 68,689.23-94,791.12-41,831.73

Finding the Fourth Proportional to 68,689.23, 94,791.12 and 41,831.73

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Solution

The fourth proportional to 68,689.23, 94,791.12 and 41,831.73 is: 57,727.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,689.23 : 94,791.12 = 41,831.73 : x
  2. Step 2: Convert to fraction form
    68,689.23/94,791.12 = 41,831.73/x
  3. Step 3: Cross multiply
    68,689.23x = 94,791.12 × 41,831.73
  4. Step 4: Simplify right side
    68,689.23x = 3,965,276,538.24
  5. Step 5: Solve for x
    x = 3,965,276,538.24/68,689.23
  6. Step 6: Final answer
    x = 57,727.78

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1.5x scale

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.