Finding the Fourth Proportional to 125,664.48, 173,414.52 and 69,076.80
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Solution
The fourth proportional to 125,664.48, 173,414.52 and 69,076.80 is: 95,324.63
Step by Step Solution
- Step 1: Write the proportion equation
125,664.48 : 173,414.52 = 69,076.80 : x - Step 2: Convert to fraction form
125,664.48/173,414.52 = 69,076.80/x - Step 3: Cross multiply
125,664.48x = 173,414.52 × 69,076.80 - Step 4: Simplify right side
125,664.48x = 11,978,920,115.14 - Step 5: Solve for x
x = 11,978,920,115.14/125,664.48 - Step 6: Final answer
x = 95,324.63
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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.