Home / 66,112.62-99,172.39-50,342.38

Finding the Fourth Proportional to 66,112.62, 99,172.39 and 50,342.38

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Solution

The fourth proportional to 66,112.62, 99,172.39 and 50,342.38 is: 75,516.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,112.62 : 99,172.39 = 50,342.38 : x
  2. Step 2: Convert to fraction form
    66,112.62/99,172.39 = 50,342.38/x
  3. Step 3: Cross multiply
    66,112.62x = 99,172.39 × 50,342.38
  4. Step 4: Simplify right side
    66,112.62x = 4,992,573,891.18
  5. Step 5: Solve for x
    x = 4,992,573,891.18/66,112.62
  6. Step 6: Final answer
    x = 75,516.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.