Home / 75,921.99-113,883.39-49,792.20

Finding the Fourth Proportional to 75,921.99, 113,883.39 and 49,792.20

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Solution

The fourth proportional to 75,921.99, 113,883.39 and 49,792.20 is: 74,688.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,921.99 : 113,883.39 = 49,792.20 : x
  2. Step 2: Convert to fraction form
    75,921.99/113,883.39 = 49,792.20/x
  3. Step 3: Cross multiply
    75,921.99x = 113,883.39 × 49,792.20
  4. Step 4: Simplify right side
    75,921.99x = 5,670,504,531.56
  5. Step 5: Solve for x
    x = 5,670,504,531.56/75,921.99
  6. Step 6: Final answer
    x = 74,688.57

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1.5x scale

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.