Home / 89,556.87-123,588.49-49,269.77

Finding the Fourth Proportional to 89,556.87, 123,588.49 and 49,269.77

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Solution

The fourth proportional to 89,556.87, 123,588.49 and 49,269.77 is: 67,992.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,556.87 : 123,588.49 = 49,269.77 : x
  2. Step 2: Convert to fraction form
    89,556.87/123,588.49 = 49,269.77/x
  3. Step 3: Cross multiply
    89,556.87x = 123,588.49 × 49,269.77
  4. Step 4: Simplify right side
    89,556.87x = 6,089,176,476.95
  5. Step 5: Solve for x
    x = 6,089,176,476.95/89,556.87
  6. Step 6: Final answer
    x = 67,992.29

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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.