Home / 75,339.36-113,052.78-33,786.36

Finding the Fourth Proportional to 75,339.36, 113,052.78 and 33,786.36

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Solution

The fourth proportional to 75,339.36, 113,052.78 and 33,786.36 is: 50,699.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,339.36 : 113,052.78 = 33,786.36 : x
  2. Step 2: Convert to fraction form
    75,339.36/113,052.78 = 33,786.36/x
  3. Step 3: Cross multiply
    75,339.36x = 113,052.78 × 33,786.36
  4. Step 4: Simplify right side
    75,339.36x = 3,819,641,924.08
  5. Step 5: Solve for x
    x = 3,819,641,924.08/75,339.36
  6. Step 6: Final answer
    x = 50,699.16

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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.