Finding the Fourth Proportional to 87,755.33, 121,102.35 and 49,522.97
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Solution
The fourth proportional to 87,755.33, 121,102.35 and 49,522.97 is: 68,341.70
Step by Step Solution
- Step 1: Write the proportion equation
87,755.33 : 121,102.35 = 49,522.97 : x - Step 2: Convert to fraction form
87,755.33/121,102.35 = 49,522.97/x - Step 3: Cross multiply
87,755.33x = 121,102.35 × 49,522.97 - Step 4: Simplify right side
87,755.33x = 5,997,348,045.98 - Step 5: Solve for x
x = 5,997,348,045.98/87,755.33 - Step 6: Final answer
x = 68,341.70
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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.