Home / 89,776.27-123,890.41-48,940.39

Finding the Fourth Proportional to 89,776.27, 123,890.41 and 48,940.39

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Solution

The fourth proportional to 89,776.27, 123,890.41 and 48,940.39 is: 67,537.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,776.27 : 123,890.41 = 48,940.39 : x
  2. Step 2: Convert to fraction form
    89,776.27/123,890.41 = 48,940.39/x
  3. Step 3: Cross multiply
    89,776.27x = 123,890.41 × 48,940.39
  4. Step 4: Simplify right side
    89,776.27x = 6,063,244,982.66
  5. Step 5: Solve for x
    x = 6,063,244,982.66/89,776.27
  6. Step 6: Final answer
    x = 67,537.28

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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.