Home / 90,104.44-124,340.46-49,815.64

Finding the Fourth Proportional to 90,104.44, 124,340.46 and 49,815.64

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Solution

The fourth proportional to 90,104.44, 124,340.46 and 49,815.64 is: 68,743.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,104.44 : 124,340.46 = 49,815.64 : x
  2. Step 2: Convert to fraction form
    90,104.44/124,340.46 = 49,815.64/x
  3. Step 3: Cross multiply
    90,104.44x = 124,340.46 × 49,815.64
  4. Step 4: Simplify right side
    90,104.44x = 6,194,099,592.79
  5. Step 5: Solve for x
    x = 6,194,099,592.79/90,104.44
  6. Step 6: Final answer
    x = 68,743.56

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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.