Home / 68,982.11-95,195.64-40,303.41

Finding the Fourth Proportional to 68,982.11, 95,195.64 and 40,303.41

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Solution

The fourth proportional to 68,982.11, 95,195.64 and 40,303.41 is: 55,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,982.11 : 95,195.64 = 40,303.41 : x
  2. Step 2: Convert to fraction form
    68,982.11/95,195.64 = 40,303.41/x
  3. Step 3: Cross multiply
    68,982.11x = 95,195.64 × 40,303.41
  4. Step 4: Simplify right side
    68,982.11x = 3,836,708,703.29
  5. Step 5: Solve for x
    x = 3,836,708,703.29/68,982.11
  6. Step 6: Final answer
    x = 55,618.90

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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.