Finding the Fourth Proportional to 88,991.25, 122,806.09 and 48,704.07
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Solution
The fourth proportional to 88,991.25, 122,806.09 and 48,704.07 is: 67,210.61
Step by Step Solution
- Step 1: Write the proportion equation
88,991.25 : 122,806.09 = 48,704.07 : x - Step 2: Convert to fraction form
88,991.25/122,806.09 = 48,704.07/x - Step 3: Cross multiply
88,991.25x = 122,806.09 × 48,704.07 - Step 4: Simplify right side
88,991.25x = 5,981,156,403.79 - Step 5: Solve for x
x = 5,981,156,403.79/88,991.25 - Step 6: Final answer
x = 67,210.61
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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.