Home / 89,601.26-123,649.70-51,874.70

Finding the Fourth Proportional to 89,601.26, 123,649.70 and 51,874.70

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Solution

The fourth proportional to 89,601.26, 123,649.70 and 51,874.70 is: 71,587.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,601.26 : 123,649.70 = 51,874.70 : x
  2. Step 2: Convert to fraction form
    89,601.26/123,649.70 = 51,874.70/x
  3. Step 3: Cross multiply
    89,601.26x = 123,649.70 × 51,874.70
  4. Step 4: Simplify right side
    89,601.26x = 6,414,291,092.59
  5. Step 5: Solve for x
    x = 6,414,291,092.59/89,601.26
  6. Step 6: Final answer
    x = 71,587.06

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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.