Home / 90,469.37-135,766.33-40,605.23

Finding the Fourth Proportional to 90,469.37, 135,766.33 and 40,605.23

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Solution

The fourth proportional to 90,469.37, 135,766.33 and 40,605.23 is: 60,935.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,469.37 : 135,766.33 = 40,605.23 : x
  2. Step 2: Convert to fraction form
    90,469.37/135,766.33 = 40,605.23/x
  3. Step 3: Cross multiply
    90,469.37x = 135,766.33 × 40,605.23
  4. Step 4: Simplify right side
    90,469.37x = 5,512,823,293.81
  5. Step 5: Solve for x
    x = 5,512,823,293.81/90,469.37
  6. Step 6: Final answer
    x = 60,935.80

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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.