Home / 68,904.28-95,087.96-40,243.48

Finding the Fourth Proportional to 68,904.28, 95,087.96 and 40,243.48

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Solution

The fourth proportional to 68,904.28, 95,087.96 and 40,243.48 is: 55,536.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,904.28 : 95,087.96 = 40,243.48 : x
  2. Step 2: Convert to fraction form
    68,904.28/95,087.96 = 40,243.48/x
  3. Step 3: Cross multiply
    68,904.28x = 95,087.96 × 40,243.48
  4. Step 4: Simplify right side
    68,904.28x = 3,826,670,416.50
  5. Step 5: Solve for x
    x = 3,826,670,416.50/68,904.28
  6. Step 6: Final answer
    x = 55,536.03

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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.