Home / 92,923.44-128,231.04-50,481.12

Finding the Fourth Proportional to 92,923.44, 128,231.04 and 50,481.12

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Solution

The fourth proportional to 92,923.44, 128,231.04 and 50,481.12 is: 69,662.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,923.44 : 128,231.04 = 50,481.12 : x
  2. Step 2: Convert to fraction form
    92,923.44/128,231.04 = 50,481.12/x
  3. Step 3: Cross multiply
    92,923.44x = 128,231.04 × 50,481.12
  4. Step 4: Simplify right side
    92,923.44x = 6,473,246,517.96
  5. Step 5: Solve for x
    x = 6,473,246,517.96/92,923.44
  6. Step 6: Final answer
    x = 69,662.15

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1.5x scale

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.