Home / 89,814.99-123,943.05-49,532.48

Finding the Fourth Proportional to 89,814.99, 123,943.05 and 49,532.48

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Solution

The fourth proportional to 89,814.99, 123,943.05 and 49,532.48 is: 68,353.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,814.99 : 123,943.05 = 49,532.48 : x
  2. Step 2: Convert to fraction form
    89,814.99/123,943.05 = 49,532.48/x
  3. Step 3: Cross multiply
    89,814.99x = 123,943.05 × 49,532.48
  4. Step 4: Simplify right side
    89,814.99x = 6,139,206,025.55
  5. Step 5: Solve for x
    x = 6,139,206,025.55/89,814.99
  6. Step 6: Final answer
    x = 68,353.91

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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.