Finding the Fourth Proportional to 88,100.24, 121,578.29 and 49,859.09
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Solution
The fourth proportional to 88,100.24, 121,578.29 and 49,859.09 is: 68,805.52
Step by Step Solution
- Step 1: Write the proportion equation
88,100.24 : 121,578.29 = 49,859.09 : x - Step 2: Convert to fraction form
88,100.24/121,578.29 = 49,859.09/x - Step 3: Cross multiply
88,100.24x = 121,578.29 × 49,859.09 - Step 4: Simplify right side
88,100.24x = 6,061,782,957.81 - Step 5: Solve for x
x = 6,061,782,957.81/88,100.24 - Step 6: Final answer
x = 68,805.52
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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.