Home / 65,450.22-90,352.23-43,682.54

Finding the Fourth Proportional to 65,450.22, 90,352.23 and 43,682.54

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Solution

The fourth proportional to 65,450.22, 90,352.23 and 43,682.54 is: 60,302.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,450.22 : 90,352.23 = 43,682.54 : x
  2. Step 2: Convert to fraction form
    65,450.22/90,352.23 = 43,682.54/x
  3. Step 3: Cross multiply
    65,450.22x = 90,352.23 × 43,682.54
  4. Step 4: Simplify right side
    65,450.22x = 3,946,814,449.30
  5. Step 5: Solve for x
    x = 3,946,814,449.30/65,450.22
  6. Step 6: Final answer
    x = 60,302.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.