Home / 75,735.45-113,625.32-22,428.81

Finding the Fourth Proportional to 75,735.45, 113,625.32 and 22,428.81

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Solution

The fourth proportional to 75,735.45, 113,625.32 and 22,428.81 is: 33,649.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,735.45 : 113,625.32 = 22,428.81 : x
  2. Step 2: Convert to fraction form
    75,735.45/113,625.32 = 22,428.81/x
  3. Step 3: Cross multiply
    75,735.45x = 113,625.32 × 22,428.81
  4. Step 4: Simplify right side
    75,735.45x = 2,548,480,601.33
  5. Step 5: Solve for x
    x = 2,548,480,601.33/75,735.45
  6. Step 6: Final answer
    x = 33,649.77

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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.