Home / 90,745.22-135,851.66-63,633.56

Finding the Fourth Proportional to 90,745.22, 135,851.66 and 63,633.56

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Solution

The fourth proportional to 90,745.22, 135,851.66 and 63,633.56 is: 95,263.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,745.22 : 135,851.66 = 63,633.56 : x
  2. Step 2: Convert to fraction form
    90,745.22/135,851.66 = 63,633.56/x
  3. Step 3: Cross multiply
    90,745.22x = 135,851.66 × 63,633.56
  4. Step 4: Simplify right side
    90,745.22x = 8,644,724,757.71
  5. Step 5: Solve for x
    x = 8,644,724,757.71/90,745.22
  6. Step 6: Final answer
    x = 95,263.69

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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.