Home / 75,981.24-113,984.82-33,876.60

Finding the Fourth Proportional to 75,981.24, 113,984.82 and 33,876.60

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Solution

The fourth proportional to 75,981.24, 113,984.82 and 33,876.60 is: 50,820.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,981.24 : 113,984.82 = 33,876.60 : x
  2. Step 2: Convert to fraction form
    75,981.24/113,984.82 = 33,876.60/x
  3. Step 3: Cross multiply
    75,981.24x = 113,984.82 × 33,876.60
  4. Step 4: Simplify right side
    75,981.24x = 3,861,418,153.21
  5. Step 5: Solve for x
    x = 3,861,418,153.21/75,981.24
  6. Step 6: Final answer
    x = 50,820.68

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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.