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Finding the Fourth Proportional to 67,151.26, 92,668.94 and 36,939.68

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Solution

The fourth proportional to 67,151.26, 92,668.94 and 36,939.68 is: 50,976.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,151.26 : 92,668.94 = 36,939.68 : x
  2. Step 2: Convert to fraction form
    67,151.26/92,668.94 = 36,939.68/x
  3. Step 3: Cross multiply
    67,151.26x = 92,668.94 × 36,939.68
  4. Step 4: Simplify right side
    67,151.26x = 3,423,160,989.54
  5. Step 5: Solve for x
    x = 3,423,160,989.54/67,151.26
  6. Step 6: Final answer
    x = 50,976.87

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1.5x scale

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.