Home / 90,548.22-135,955.62-50,645.37

Finding the Fourth Proportional to 90,548.22, 135,955.62 and 50,645.37

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Solution

The fourth proportional to 90,548.22, 135,955.62 and 50,645.37 is: 76,042.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,548.22 : 135,955.62 = 50,645.37 : x
  2. Step 2: Convert to fraction form
    90,548.22/135,955.62 = 50,645.37/x
  3. Step 3: Cross multiply
    90,548.22x = 135,955.62 × 50,645.37
  4. Step 4: Simplify right side
    90,548.22x = 6,885,522,678.48
  5. Step 5: Solve for x
    x = 6,885,522,678.48/90,548.22
  6. Step 6: Final answer
    x = 76,042.61

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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.