Finding the Fourth Proportional to 126,044.97, 173,939.82 and 68,684.79
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Solution
The fourth proportional to 126,044.97, 173,939.82 and 68,684.79 is: 94,783.79
Step by Step Solution
- Step 1: Write the proportion equation
126,044.97 : 173,939.82 = 68,684.79 : x - Step 2: Convert to fraction form
126,044.97/173,939.82 = 68,684.79/x - Step 3: Cross multiply
126,044.97x = 173,939.82 × 68,684.79 - Step 4: Simplify right side
126,044.97x = 11,947,020,009.34 - Step 5: Solve for x
x = 11,947,020,009.34/126,044.97 - Step 6: Final answer
x = 94,783.79
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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.