Home / 99,693.26-149,568.14-40,571.36

Finding the Fourth Proportional to 99,693.26, 149,568.14 and 40,571.36

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Solution

The fourth proportional to 99,693.26, 149,568.14 and 40,571.36 is: 60,868.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,693.26 : 149,568.14 = 40,571.36 : x
  2. Step 2: Convert to fraction form
    99,693.26/149,568.14 = 40,571.36/x
  3. Step 3: Cross multiply
    99,693.26x = 149,568.14 × 40,571.36
  4. Step 4: Simplify right side
    99,693.26x = 6,068,183,327.82
  5. Step 5: Solve for x
    x = 6,068,183,327.82/99,693.26
  6. Step 6: Final answer
    x = 60,868.54

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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.