Home / 75,819.90-113,719.05-25,902.30

Finding the Fourth Proportional to 75,819.90, 113,719.05 and 25,902.30

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Solution

The fourth proportional to 75,819.90, 113,719.05 and 25,902.30 is: 38,849.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,819.90 : 113,719.05 = 25,902.30 : x
  2. Step 2: Convert to fraction form
    75,819.90/113,719.05 = 25,902.30/x
  3. Step 3: Cross multiply
    75,819.90x = 113,719.05 × 25,902.30
  4. Step 4: Simplify right side
    75,819.90x = 2,945,584,948.82
  5. Step 5: Solve for x
    x = 2,945,584,948.82/75,819.90
  6. Step 6: Final answer
    x = 38,849.76

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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.