Home / 89,578.95-123,619.38-49,291.71

Finding the Fourth Proportional to 89,578.95, 123,619.38 and 49,291.71

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Solution

The fourth proportional to 89,578.95, 123,619.38 and 49,291.71 is: 68,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,578.95 : 123,619.38 = 49,291.71 : x
  2. Step 2: Convert to fraction form
    89,578.95/123,619.38 = 49,291.71/x
  3. Step 3: Cross multiply
    89,578.95x = 123,619.38 × 49,291.71
  4. Step 4: Simplify right side
    89,578.95x = 6,093,410,629.34
  5. Step 5: Solve for x
    x = 6,093,410,629.34/89,578.95
  6. Step 6: Final answer
    x = 68,022.80

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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.