Home / 65,668.09-90,626.38-36,600.98

Finding the Fourth Proportional to 65,668.09, 90,626.38 and 36,600.98

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Solution

The fourth proportional to 65,668.09, 90,626.38 and 36,600.98 is: 50,511.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,668.09 : 90,626.38 = 36,600.98 : x
  2. Step 2: Convert to fraction form
    65,668.09/90,626.38 = 36,600.98/x
  3. Step 3: Cross multiply
    65,668.09x = 90,626.38 × 36,600.98
  4. Step 4: Simplify right side
    65,668.09x = 3,317,014,138.85
  5. Step 5: Solve for x
    x = 3,317,014,138.85/65,668.09
  6. Step 6: Final answer
    x = 50,511.81

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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.