Home / 75,855.48-113,783.31-25,936.08

Finding the Fourth Proportional to 75,855.48, 113,783.31 and 25,936.08

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Solution

The fourth proportional to 75,855.48, 113,783.31 and 25,936.08 is: 38,904.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,855.48 : 113,783.31 = 25,936.08 : x
  2. Step 2: Convert to fraction form
    75,855.48/113,783.31 = 25,936.08/x
  3. Step 3: Cross multiply
    75,855.48x = 113,783.31 × 25,936.08
  4. Step 4: Simplify right side
    75,855.48x = 2,951,093,030.82
  5. Step 5: Solve for x
    x = 2,951,093,030.82/75,855.48
  6. Step 6: Final answer
    x = 38,904.15

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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.