Home / 90,450.95-135,682.91-23,890.41

Finding the Fourth Proportional to 90,450.95, 135,682.91 and 23,890.41

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Solution

The fourth proportional to 90,450.95, 135,682.91 and 23,890.41 is: 35,837.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,450.95 : 135,682.91 = 23,890.41 : x
  2. Step 2: Convert to fraction form
    90,450.95/135,682.91 = 23,890.41/x
  3. Step 3: Cross multiply
    90,450.95x = 135,682.91 × 23,890.41
  4. Step 4: Simplify right side
    90,450.95x = 3,241,520,739.25
  5. Step 5: Solve for x
    x = 3,241,520,739.25/90,450.95
  6. Step 6: Final answer
    x = 35,837.33

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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.