Home / 89,764.16-134,361.56-50,201.20

Finding the Fourth Proportional to 89,764.16, 134,361.56 and 50,201.20

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Solution

The fourth proportional to 89,764.16, 134,361.56 and 50,201.20 is: 75,142.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,764.16 : 134,361.56 = 50,201.20 : x
  2. Step 2: Convert to fraction form
    89,764.16/134,361.56 = 50,201.20/x
  3. Step 3: Cross multiply
    89,764.16x = 134,361.56 × 50,201.20
  4. Step 4: Simplify right side
    89,764.16x = 6,745,111,545.87
  5. Step 5: Solve for x
    x = 6,745,111,545.87/89,764.16
  6. Step 6: Final answer
    x = 75,142.59

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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.