Home / 135,942.12-203,949.81-57,035.16

Finding the Fourth Proportional to 135,942.12, 203,949.81 and 57,035.16

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Solution

The fourth proportional to 135,942.12, 203,949.81 and 57,035.16 is: 85,568.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,942.12 : 203,949.81 = 57,035.16 : x
  2. Step 2: Convert to fraction form
    135,942.12/203,949.81 = 57,035.16/x
  3. Step 3: Cross multiply
    135,942.12x = 203,949.81 × 57,035.16
  4. Step 4: Simplify right side
    135,942.12x = 11,632,310,045.32
  5. Step 5: Solve for x
    x = 11,632,310,045.32/135,942.12
  6. Step 6: Final answer
    x = 85,568.11

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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.