Home / 67,138.43-92,649.08-36,923.72

Finding the Fourth Proportional to 67,138.43, 92,649.08 and 36,923.72

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Solution

The fourth proportional to 67,138.43, 92,649.08 and 36,923.72 is: 50,953.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,138.43 : 92,649.08 = 36,923.72 : x
  2. Step 2: Convert to fraction form
    67,138.43/92,649.08 = 36,923.72/x
  3. Step 3: Cross multiply
    67,138.43x = 92,649.08 × 36,923.72
  4. Step 4: Simplify right side
    67,138.43x = 3,420,948,503.56
  5. Step 5: Solve for x
    x = 3,420,948,503.56/67,138.43
  6. Step 6: Final answer
    x = 50,953.66

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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.