Home / 85,194.18-117,568.45-49,405.44

Finding the Fourth Proportional to 85,194.18, 117,568.45 and 49,405.44

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Solution

The fourth proportional to 85,194.18, 117,568.45 and 49,405.44 is: 68,179.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,194.18 : 117,568.45 = 49,405.44 : x
  2. Step 2: Convert to fraction form
    85,194.18/117,568.45 = 49,405.44/x
  3. Step 3: Cross multiply
    85,194.18x = 117,568.45 × 49,405.44
  4. Step 4: Simplify right side
    85,194.18x = 5,808,521,002.37
  5. Step 5: Solve for x
    x = 5,808,521,002.37/85,194.18
  6. Step 6: Final answer
    x = 68,179.79

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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.