Home / 89,811.99-123,938.91-49,529.48

Finding the Fourth Proportional to 89,811.99, 123,938.91 and 49,529.48

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Solution

The fourth proportional to 89,811.99, 123,938.91 and 49,529.48 is: 68,349.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,811.99 : 123,938.91 = 49,529.48 : x
  2. Step 2: Convert to fraction form
    89,811.99/123,938.91 = 49,529.48/x
  3. Step 3: Cross multiply
    89,811.99x = 123,938.91 × 49,529.48
  4. Step 4: Simplify right side
    89,811.99x = 6,138,629,144.37
  5. Step 5: Solve for x
    x = 6,138,629,144.37/89,811.99
  6. Step 6: Final answer
    x = 68,349.77

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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.