Home / 67,120.99-92,629.35-36,908.61

Finding the Fourth Proportional to 67,120.99, 92,629.35 and 36,908.61

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Solution

The fourth proportional to 67,120.99, 92,629.35 and 36,908.61 is: 50,935.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,120.99 : 92,629.35 = 36,908.61 : x
  2. Step 2: Convert to fraction form
    67,120.99/92,629.35 = 36,908.61/x
  3. Step 3: Cross multiply
    67,120.99x = 92,629.35 × 36,908.61
  4. Step 4: Simplify right side
    67,120.99x = 3,418,820,553.70
  5. Step 5: Solve for x
    x = 3,418,820,553.70/67,120.99
  6. Step 6: Final answer
    x = 50,935.19

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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.