Home / 89,673.95-123,745.24-49,379.85

Finding the Fourth Proportional to 89,673.95, 123,745.24 and 49,379.85

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Solution

The fourth proportional to 89,673.95, 123,745.24 and 49,379.85 is: 68,141.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,673.95 : 123,745.24 = 49,379.85 : x
  2. Step 2: Convert to fraction form
    89,673.95/123,745.24 = 49,379.85/x
  3. Step 3: Cross multiply
    89,673.95x = 123,745.24 × 49,379.85
  4. Step 4: Simplify right side
    89,673.95x = 6,110,521,389.41
  5. Step 5: Solve for x
    x = 6,110,521,389.41/89,673.95
  6. Step 6: Final answer
    x = 68,141.54

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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.