Home / 74,199.29-111,297.38-18,039.69

Finding the Fourth Proportional to 74,199.29, 111,297.38 and 18,039.69

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Solution

The fourth proportional to 74,199.29, 111,297.38 and 18,039.69 is: 27,059.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,199.29 : 111,297.38 = 18,039.69 : x
  2. Step 2: Convert to fraction form
    74,199.29/111,297.38 = 18,039.69/x
  3. Step 3: Cross multiply
    74,199.29x = 111,297.38 × 18,039.69
  4. Step 4: Simplify right side
    74,199.29x = 2,007,770,142.81
  5. Step 5: Solve for x
    x = 2,007,770,142.81/74,199.29
  6. Step 6: Final answer
    x = 27,059.16

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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.