Home / 66,942.24-92,382.84-36,728.79

Finding the Fourth Proportional to 66,942.24, 92,382.84 and 36,728.79

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Solution

The fourth proportional to 66,942.24, 92,382.84 and 36,728.79 is: 50,687.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,942.24 : 92,382.84 = 36,728.79 : x
  2. Step 2: Convert to fraction form
    66,942.24/92,382.84 = 36,728.79/x
  3. Step 3: Cross multiply
    66,942.24x = 92,382.84 × 36,728.79
  4. Step 4: Simplify right side
    66,942.24x = 3,393,109,929.96
  5. Step 5: Solve for x
    x = 3,393,109,929.96/66,942.24
  6. Step 6: Final answer
    x = 50,687.13

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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.