Home / 89,211.33-123,102.77-51,497.73

Finding the Fourth Proportional to 89,211.33, 123,102.77 and 51,497.73

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Solution

The fourth proportional to 89,211.33, 123,102.77 and 51,497.73 is: 71,061.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,211.33 : 123,102.77 = 51,497.73 : x
  2. Step 2: Convert to fraction form
    89,211.33/123,102.77 = 51,497.73/x
  3. Step 3: Cross multiply
    89,211.33x = 123,102.77 × 51,497.73
  4. Step 4: Simplify right side
    89,211.33x = 6,339,512,954.22
  5. Step 5: Solve for x
    x = 6,339,512,954.22/89,211.33
  6. Step 6: Final answer
    x = 71,061.75

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1.5x scale

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.