Home / 89,751.35-123,857.70-49,466.57

Finding the Fourth Proportional to 89,751.35, 123,857.70 and 49,466.57

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Solution

The fourth proportional to 89,751.35, 123,857.70 and 49,466.57 is: 68,264.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,751.35 : 123,857.70 = 49,466.57 : x
  2. Step 2: Convert to fraction form
    89,751.35/123,857.70 = 49,466.57/x
  3. Step 3: Cross multiply
    89,751.35x = 123,857.70 × 49,466.57
  4. Step 4: Simplify right side
    89,751.35x = 6,126,815,587.09
  5. Step 5: Solve for x
    x = 6,126,815,587.09/89,751.35
  6. Step 6: Final answer
    x = 68,264.33

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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.