Home / 75,788.38-113,692.94-25,855.07

Finding the Fourth Proportional to 75,788.38, 113,692.94 and 25,855.07

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Solution

The fourth proportional to 75,788.38, 113,692.94 and 25,855.07 is: 38,786.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,788.38 : 113,692.94 = 25,855.07 : x
  2. Step 2: Convert to fraction form
    75,788.38/113,692.94 = 25,855.07/x
  3. Step 3: Cross multiply
    75,788.38x = 113,692.94 × 25,855.07
  4. Step 4: Simplify right side
    75,788.38x = 2,939,538,633.96
  5. Step 5: Solve for x
    x = 2,939,538,633.96/75,788.38
  6. Step 6: Final answer
    x = 38,786.14

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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.