Home / 89,823.70-123,950.97-49,537.75

Finding the Fourth Proportional to 89,823.70, 123,950.97 and 49,537.75

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Solution

The fourth proportional to 89,823.70, 123,950.97 and 49,537.75 is: 68,358.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,823.70 : 123,950.97 = 49,537.75 : x
  2. Step 2: Convert to fraction form
    89,823.70/123,950.97 = 49,537.75/x
  3. Step 3: Cross multiply
    89,823.70x = 123,950.97 × 49,537.75
  4. Step 4: Simplify right side
    89,823.70x = 6,140,252,164.12
  5. Step 5: Solve for x
    x = 6,140,252,164.12/89,823.70
  6. Step 6: Final answer
    x = 68,358.93

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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.