Home / 49,991.10-74,804.40-36,869.10

Finding the Fourth Proportional to 49,991.10, 74,804.40 and 36,869.10

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Solution

The fourth proportional to 49,991.10, 74,804.40 and 36,869.10 is: 55,169.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,991.10 : 74,804.40 = 36,869.10 : x
  2. Step 2: Convert to fraction form
    49,991.10/74,804.40 = 36,869.10/x
  3. Step 3: Cross multiply
    49,991.10x = 74,804.40 × 36,869.10
  4. Step 4: Simplify right side
    49,991.10x = 2,757,970,904.04
  5. Step 5: Solve for x
    x = 2,757,970,904.04/49,991.10
  6. Step 6: Final answer
    x = 55,169.24

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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.