Finding the Fourth Proportional to 88,951.92, 122,734.16 and 53,136.48
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Solution
The fourth proportional to 88,951.92, 122,734.16 and 53,136.48 is: 73,316.70
Step by Step Solution
- Step 1: Write the proportion equation
88,951.92 : 122,734.16 = 53,136.48 : x - Step 2: Convert to fraction form
88,951.92/122,734.16 = 53,136.48/x - Step 3: Cross multiply
88,951.92x = 122,734.16 × 53,136.48 - Step 4: Simplify right side
88,951.92x = 6,521,661,238.16 - Step 5: Solve for x
x = 6,521,661,238.16/88,951.92 - Step 6: Final answer
x = 73,316.70
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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.