Home / 75,627.44-113,441.16-20,222

Finding the Fourth Proportional to 75,627.44, 113,441.16 and 20,222

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Solution

The fourth proportional to 75,627.44, 113,441.16 and 20,222 is: 30,333

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,627.44 : 113,441.16 = 20,222 : x
  2. Step 2: Convert to fraction form
    75,627.44/113,441.16 = 20,222/x
  3. Step 3: Cross multiply
    75,627.44x = 113,441.16 × 20,222
  4. Step 4: Simplify right side
    75,627.44x = 2,294,007,137.52
  5. Step 5: Solve for x
    x = 2,294,007,137.52/75,627.44
  6. Step 6: Final answer
    x = 30,333

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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.