Home / 74,185.08-111,243.06-43,029.24

Finding the Fourth Proportional to 74,185.08, 111,243.06 and 43,029.24

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Solution

The fourth proportional to 74,185.08, 111,243.06 and 43,029.24 is: 64,523.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,185.08 : 111,243.06 = 43,029.24 : x
  2. Step 2: Convert to fraction form
    74,185.08/111,243.06 = 43,029.24/x
  3. Step 3: Cross multiply
    74,185.08x = 111,243.06 × 43,029.24
  4. Step 4: Simplify right side
    74,185.08x = 4,786,704,327.07
  5. Step 5: Solve for x
    x = 4,786,704,327.07/74,185.08
  6. Step 6: Final answer
    x = 64,523.81

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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.