Home / 89,942.76-134,890.62-26,745.87

Finding the Fourth Proportional to 89,942.76, 134,890.62 and 26,745.87

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Solution

The fourth proportional to 89,942.76, 134,890.62 and 26,745.87 is: 40,111.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,942.76 : 134,890.62 = 26,745.87 : x
  2. Step 2: Convert to fraction form
    89,942.76/134,890.62 = 26,745.87/x
  3. Step 3: Cross multiply
    89,942.76x = 134,890.62 × 26,745.87
  4. Step 4: Simplify right side
    89,942.76x = 3,607,766,986.74
  5. Step 5: Solve for x
    x = 3,607,766,986.74/89,942.76
  6. Step 6: Final answer
    x = 40,111.81

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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.