Finding the Fourth Proportional to 125,879.37, 173,717.92 and 68,523.41
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Solution
The fourth proportional to 125,879.37, 173,717.92 and 68,523.41 is: 94,564.70
Step by Step Solution
- Step 1: Write the proportion equation
125,879.37 : 173,717.92 = 68,523.41 : x - Step 2: Convert to fraction form
125,879.37/173,717.92 = 68,523.41/x - Step 3: Cross multiply
125,879.37x = 173,717.92 × 68,523.41 - Step 4: Simplify right side
125,879.37x = 11,903,744,125.01 - Step 5: Solve for x
x = 11,903,744,125.01/125,879.37 - Step 6: Final answer
x = 94,564.70
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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.