Home / 89,769.99-123,882.55-49,484.43

Finding the Fourth Proportional to 89,769.99, 123,882.55 and 49,484.43

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Solution

The fourth proportional to 89,769.99, 123,882.55 and 49,484.43 is: 68,288.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,769.99 : 123,882.55 = 49,484.43 : x
  2. Step 2: Convert to fraction form
    89,769.99/123,882.55 = 49,484.43/x
  3. Step 3: Cross multiply
    89,769.99x = 123,882.55 × 49,484.43
  4. Step 4: Simplify right side
    89,769.99x = 6,130,257,373.70
  5. Step 5: Solve for x
    x = 6,130,257,373.70/89,769.99
  6. Step 6: Final answer
    x = 68,288.49

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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.