Home / 90,466.23-135,656.22-40,546.74

Finding the Fourth Proportional to 90,466.23, 135,656.22 and 40,546.74

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Solution

The fourth proportional to 90,466.23, 135,656.22 and 40,546.74 is: 60,800.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,466.23 : 135,656.22 = 40,546.74 : x
  2. Step 2: Convert to fraction form
    90,466.23/135,656.22 = 40,546.74/x
  3. Step 3: Cross multiply
    90,466.23x = 135,656.22 × 40,546.74
  4. Step 4: Simplify right side
    90,466.23x = 5,500,417,481.72
  5. Step 5: Solve for x
    x = 5,500,417,481.72/90,466.23
  6. Step 6: Final answer
    x = 60,800.78

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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.