Home / 68,389.27-94,392.93-40,104.07

Finding the Fourth Proportional to 68,389.27, 94,392.93 and 40,104.07

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Solution

The fourth proportional to 68,389.27, 94,392.93 and 40,104.07 is: 55,352.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,389.27 : 94,392.93 = 40,104.07 : x
  2. Step 2: Convert to fraction form
    68,389.27/94,392.93 = 40,104.07/x
  3. Step 3: Cross multiply
    68,389.27x = 94,392.93 × 40,104.07
  4. Step 4: Simplify right side
    68,389.27x = 3,785,540,200.26
  5. Step 5: Solve for x
    x = 3,785,540,200.26/68,389.27
  6. Step 6: Final answer
    x = 55,352.84

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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.