Home / 89,732.08-123,835.76-49,445.85

Finding the Fourth Proportional to 89,732.08, 123,835.76 and 49,445.85

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Solution

The fourth proportional to 89,732.08, 123,835.76 and 49,445.85 is: 68,238.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,732.08 : 123,835.76 = 49,445.85 : x
  2. Step 2: Convert to fraction form
    89,732.08/123,835.76 = 49,445.85/x
  3. Step 3: Cross multiply
    89,732.08x = 123,835.76 × 49,445.85
  4. Step 4: Simplify right side
    89,732.08x = 6,123,164,413.60
  5. Step 5: Solve for x
    x = 6,123,164,413.60/89,732.08
  6. Step 6: Final answer
    x = 68,238.30

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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.