Home / 89,908.33-124,072.88-49,622.09

Finding the Fourth Proportional to 89,908.33, 124,072.88 and 49,622.09

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Solution

The fourth proportional to 89,908.33, 124,072.88 and 49,622.09 is: 68,478.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,908.33 : 124,072.88 = 49,622.09 : x
  2. Step 2: Convert to fraction form
    89,908.33/124,072.88 = 49,622.09/x
  3. Step 3: Cross multiply
    89,908.33x = 124,072.88 × 49,622.09
  4. Step 4: Simplify right side
    89,908.33x = 6,156,755,741.97
  5. Step 5: Solve for x
    x = 6,156,755,741.97/89,908.33
  6. Step 6: Final answer
    x = 68,478.15

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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.