Home / 89,696.07-123,779.97-49,408.89

Finding the Fourth Proportional to 89,696.07, 123,779.97 and 49,408.89

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Solution

The fourth proportional to 89,696.07, 123,779.97 and 49,408.89 is: 68,183.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,696.07 : 123,779.97 = 49,408.89 : x
  2. Step 2: Convert to fraction form
    89,696.07/123,779.97 = 49,408.89/x
  3. Step 3: Cross multiply
    89,696.07x = 123,779.97 × 49,408.89
  4. Step 4: Simplify right side
    89,696.07x = 6,115,830,921.93
  5. Step 5: Solve for x
    x = 6,115,830,921.93/89,696.07
  6. Step 6: Final answer
    x = 68,183.93

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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.