Home / 75,908.51-113,738.13-25,961.36

Finding the Fourth Proportional to 75,908.51, 113,738.13 and 25,961.36

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Solution

The fourth proportional to 75,908.51, 113,738.13 and 25,961.36 is: 38,899.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,908.51 : 113,738.13 = 25,961.36 : x
  2. Step 2: Convert to fraction form
    75,908.51/113,738.13 = 25,961.36/x
  3. Step 3: Cross multiply
    75,908.51x = 113,738.13 × 25,961.36
  4. Step 4: Simplify right side
    75,908.51x = 2,952,796,067.32
  5. Step 5: Solve for x
    x = 2,952,796,067.32/75,908.51
  6. Step 6: Final answer
    x = 38,899.41

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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.