Home / 89,745.21-123,849.23-49,460.42

Finding the Fourth Proportional to 89,745.21, 123,849.23 and 49,460.42

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Solution

The fourth proportional to 89,745.21, 123,849.23 and 49,460.42 is: 68,255.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,745.21 : 123,849.23 = 49,460.42 : x
  2. Step 2: Convert to fraction form
    89,745.21/123,849.23 = 49,460.42/x
  3. Step 3: Cross multiply
    89,745.21x = 123,849.23 × 49,460.42
  4. Step 4: Simplify right side
    89,745.21x = 6,125,634,065.93
  5. Step 5: Solve for x
    x = 6,125,634,065.93/89,745.21
  6. Step 6: Final answer
    x = 68,255.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.