Home / 75,650.75-113,443.30-25,717.43

Finding the Fourth Proportional to 75,650.75, 113,443.30 and 25,717.43

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Solution

The fourth proportional to 75,650.75, 113,443.30 and 25,717.43 is: 38,564.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,650.75 : 113,443.30 = 25,717.43 : x
  2. Step 2: Convert to fraction form
    75,650.75/113,443.30 = 25,717.43/x
  3. Step 3: Cross multiply
    75,650.75x = 113,443.30 × 25,717.43
  4. Step 4: Simplify right side
    75,650.75x = 2,917,470,442.47
  5. Step 5: Solve for x
    x = 2,917,470,442.47/75,650.75
  6. Step 6: Final answer
    x = 38,564.99

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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.