Home / 75,785.36-113,686.81-25,188.90

Finding the Fourth Proportional to 75,785.36, 113,686.81 and 25,188.90

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Solution

The fourth proportional to 75,785.36, 113,686.81 and 25,188.90 is: 37,786.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,785.36 : 113,686.81 = 25,188.90 : x
  2. Step 2: Convert to fraction form
    75,785.36/113,686.81 = 25,188.90/x
  3. Step 3: Cross multiply
    75,785.36x = 113,686.81 × 25,188.90
  4. Step 4: Simplify right side
    75,785.36x = 2,863,645,625.44
  5. Step 5: Solve for x
    x = 2,863,645,625.44/75,785.36
  6. Step 6: Final answer
    x = 37,786.27

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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.