Home / 89,049.85-133,623.98-49,629.17

Finding the Fourth Proportional to 89,049.85, 133,623.98 and 49,629.17

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Solution

The fourth proportional to 89,049.85, 133,623.98 and 49,629.17 is: 74,471.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,049.85 : 133,623.98 = 49,629.17 : x
  2. Step 2: Convert to fraction form
    89,049.85/133,623.98 = 49,629.17/x
  3. Step 3: Cross multiply
    89,049.85x = 133,623.98 × 49,629.17
  4. Step 4: Simplify right side
    89,049.85x = 6,631,647,491.52
  5. Step 5: Solve for x
    x = 6,631,647,491.52/89,049.85
  6. Step 6: Final answer
    x = 74,471.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.