Home / 89,776.16-123,891.96-49,491.37

Finding the Fourth Proportional to 89,776.16, 123,891.96 and 49,491.37

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Solution

The fourth proportional to 89,776.16, 123,891.96 and 49,491.37 is: 68,298.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,776.16 : 123,891.96 = 49,491.37 : x
  2. Step 2: Convert to fraction form
    89,776.16/123,891.96 = 49,491.37/x
  3. Step 3: Cross multiply
    89,776.16x = 123,891.96 × 49,491.37
  4. Step 4: Simplify right side
    89,776.16x = 6,131,583,172.84
  5. Step 5: Solve for x
    x = 6,131,583,172.84/89,776.16
  6. Step 6: Final answer
    x = 68,298.57

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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.