Home / 67,137.28-92,650.08-36,922.78

Finding the Fourth Proportional to 67,137.28, 92,650.08 and 36,922.78

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Solution

The fourth proportional to 67,137.28, 92,650.08 and 36,922.78 is: 50,953.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,137.28 : 92,650.08 = 36,922.78 : x
  2. Step 2: Convert to fraction form
    67,137.28/92,650.08 = 36,922.78/x
  3. Step 3: Cross multiply
    67,137.28x = 92,650.08 × 36,922.78
  4. Step 4: Simplify right side
    67,137.28x = 3,420,898,520.82
  5. Step 5: Solve for x
    x = 3,420,898,520.82/67,137.28
  6. Step 6: Final answer
    x = 50,953.78

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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.