Home / 75,739.96-113,661.78-36,324.28

Finding the Fourth Proportional to 75,739.96, 113,661.78 and 36,324.28

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Solution

The fourth proportional to 75,739.96, 113,661.78 and 36,324.28 is: 54,511.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,739.96 : 113,661.78 = 36,324.28 : x
  2. Step 2: Convert to fraction form
    75,739.96/113,661.78 = 36,324.28/x
  3. Step 3: Cross multiply
    75,739.96x = 113,661.78 × 36,324.28
  4. Step 4: Simplify right side
    75,739.96x = 4,128,682,322.02
  5. Step 5: Solve for x
    x = 4,128,682,322.02/75,739.96
  6. Step 6: Final answer
    x = 54,511.28

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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.