Home / 89,850.21-123,992.58-49,565.67

Finding the Fourth Proportional to 89,850.21, 123,992.58 and 49,565.67

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Solution

The fourth proportional to 89,850.21, 123,992.58 and 49,565.67 is: 68,400.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,850.21 : 123,992.58 = 49,565.67 : x
  2. Step 2: Convert to fraction form
    89,850.21/123,992.58 = 49,565.67/x
  3. Step 3: Cross multiply
    89,850.21x = 123,992.58 × 49,565.67
  4. Step 4: Simplify right side
    89,850.21x = 6,145,775,302.73
  5. Step 5: Solve for x
    x = 6,145,775,302.73/89,850.21
  6. Step 6: Final answer
    x = 68,400.23

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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.