Home / 68,391.27-94,395.69-40,106.07

Finding the Fourth Proportional to 68,391.27, 94,395.69 and 40,106.07

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Solution

The fourth proportional to 68,391.27, 94,395.69 and 40,106.07 is: 55,355.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,391.27 : 94,395.69 = 40,106.07 : x
  2. Step 2: Convert to fraction form
    68,391.27/94,395.69 = 40,106.07/x
  3. Step 3: Cross multiply
    68,391.27x = 94,395.69 × 40,106.07
  4. Step 4: Simplify right side
    68,391.27x = 3,785,840,150.84
  5. Step 5: Solve for x
    x = 3,785,840,150.84/68,391.27
  6. Step 6: Final answer
    x = 55,355.61

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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.