Home / 89,650.89-123,717.24-49,363.62

Finding the Fourth Proportional to 89,650.89, 123,717.24 and 49,363.62

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Solution

The fourth proportional to 89,650.89, 123,717.24 and 49,363.62 is: 68,121.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,650.89 : 123,717.24 = 49,363.62 : x
  2. Step 2: Convert to fraction form
    89,650.89/123,717.24 = 49,363.62/x
  3. Step 3: Cross multiply
    89,650.89x = 123,717.24 × 49,363.62
  4. Step 4: Simplify right side
    89,650.89x = 6,107,130,822.81
  5. Step 5: Solve for x
    x = 6,107,130,822.81/89,650.89
  6. Step 6: Final answer
    x = 68,121.25

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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.