Home / 67,121.66-92,629.91-36,905.42

Finding the Fourth Proportional to 67,121.66, 92,629.91 and 36,905.42

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Solution

The fourth proportional to 67,121.66, 92,629.91 and 36,905.42 is: 50,930.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,121.66 : 92,629.91 = 36,905.42 : x
  2. Step 2: Convert to fraction form
    67,121.66/92,629.91 = 36,905.42/x
  3. Step 3: Cross multiply
    67,121.66x = 92,629.91 × 36,905.42
  4. Step 4: Simplify right side
    67,121.66x = 3,418,545,733.11
  5. Step 5: Solve for x
    x = 3,418,545,733.11/67,121.66
  6. Step 6: Final answer
    x = 50,930.59

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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.