Home / 68,716.14-94,840.11-40,423.02

Finding the Fourth Proportional to 68,716.14, 94,840.11 and 40,423.02

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Solution

The fourth proportional to 68,716.14, 94,840.11 and 40,423.02 is: 55,790.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,716.14 : 94,840.11 = 40,423.02 : x
  2. Step 2: Convert to fraction form
    68,716.14/94,840.11 = 40,423.02/x
  3. Step 3: Cross multiply
    68,716.14x = 94,840.11 × 40,423.02
  4. Step 4: Simplify right side
    68,716.14x = 3,833,723,663.33
  5. Step 5: Solve for x
    x = 3,833,723,663.33/68,716.14
  6. Step 6: Final answer
    x = 55,790.73

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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.