Home / 68,993.28-95,214.11-42,131.48

Finding the Fourth Proportional to 68,993.28, 95,214.11 and 42,131.48

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Solution

The fourth proportional to 68,993.28, 95,214.11 and 42,131.48 is: 58,143.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,993.28 : 95,214.11 = 42,131.48 : x
  2. Step 2: Convert to fraction form
    68,993.28/95,214.11 = 42,131.48/x
  3. Step 3: Cross multiply
    68,993.28x = 95,214.11 × 42,131.48
  4. Step 4: Simplify right side
    68,993.28x = 4,011,510,684.45
  5. Step 5: Solve for x
    x = 4,011,510,684.45/68,993.28
  6. Step 6: Final answer
    x = 58,143.50

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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.