Finding the Fourth Proportional to 125,685.43, 173,447.02 and 68,324.86
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Solution
The fourth proportional to 125,685.43, 173,447.02 and 68,324.86 is: 94,288.92
Step by Step Solution
- Step 1: Write the proportion equation
125,685.43 : 173,447.02 = 68,324.86 : x - Step 2: Convert to fraction form
125,685.43/173,447.02 = 68,324.86/x - Step 3: Cross multiply
125,685.43x = 173,447.02 × 68,324.86 - Step 4: Simplify right side
125,685.43x = 11,850,743,661.13 - Step 5: Solve for x
x = 11,850,743,661.13/125,685.43 - Step 6: Final answer
x = 94,288.92
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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.