Home / 49,991.46-74,985.21-27,790.80

Finding the Fourth Proportional to 49,991.46, 74,985.21 and 27,790.80

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Solution

The fourth proportional to 49,991.46, 74,985.21 and 27,790.80 is: 41,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,991.46 : 74,985.21 = 27,790.80 : x
  2. Step 2: Convert to fraction form
    49,991.46/74,985.21 = 27,790.80/x
  3. Step 3: Cross multiply
    49,991.46x = 74,985.21 × 27,790.80
  4. Step 4: Simplify right side
    49,991.46x = 2,083,898,974.07
  5. Step 5: Solve for x
    x = 2,083,898,974.07/49,991.46
  6. Step 6: Final answer
    x = 41,685.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.