Home / 75,786.73-113,688.88-25,190.28

Finding the Fourth Proportional to 75,786.73, 113,688.88 and 25,190.28

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Solution

The fourth proportional to 75,786.73, 113,688.88 and 25,190.28 is: 37,788.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,786.73 : 113,688.88 = 25,190.28 : x
  2. Step 2: Convert to fraction form
    75,786.73/113,688.88 = 25,190.28/x
  3. Step 3: Cross multiply
    75,786.73x = 113,688.88 × 25,190.28
  4. Step 4: Simplify right side
    75,786.73x = 2,863,854,594.14
  5. Step 5: Solve for x
    x = 2,863,854,594.14/75,786.73
  6. Step 6: Final answer
    x = 37,788.34

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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.