Home / 75,788.88-113,693.69-25,855.57

Finding the Fourth Proportional to 75,788.88, 113,693.69 and 25,855.57

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Solution

The fourth proportional to 75,788.88, 113,693.69 and 25,855.57 is: 38,786.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,788.88 : 113,693.69 = 25,855.57 : x
  2. Step 2: Convert to fraction form
    75,788.88/113,693.69 = 25,855.57/x
  3. Step 3: Cross multiply
    75,788.88x = 113,693.69 × 25,855.57
  4. Step 4: Simplify right side
    75,788.88x = 2,939,614,591.88
  5. Step 5: Solve for x
    x = 2,939,614,591.88/75,788.88
  6. Step 6: Final answer
    x = 38,786.89

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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.