Finding the Fourth Proportional to 80,781.66, 121,197.22 and 41,366.68
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Solution
The fourth proportional to 80,781.66, 121,197.22 and 41,366.68 is: 62,062.68
Step by Step Solution
- Step 1: Write the proportion equation
80,781.66 : 121,197.22 = 41,366.68 : x - Step 2: Convert to fraction form
80,781.66/121,197.22 = 41,366.68/x - Step 3: Cross multiply
80,781.66x = 121,197.22 × 41,366.68 - Step 4: Simplify right side
80,781.66x = 5,013,526,616.63 - Step 5: Solve for x
x = 5,013,526,616.63/80,781.66 - Step 6: Final answer
x = 62,062.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.