Finding the Fourth Proportional to 68,383.68, 102,575.06 and 36,808.62
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Solution
The fourth proportional to 68,383.68, 102,575.06 and 36,808.62 is: 55,212.68
Step by Step Solution
- Step 1: Write the proportion equation
68,383.68 : 102,575.06 = 36,808.62 : x - Step 2: Convert to fraction form
68,383.68/102,575.06 = 36,808.62/x - Step 3: Cross multiply
68,383.68x = 102,575.06 × 36,808.62 - Step 4: Simplify right side
68,383.68x = 3,775,646,405.02 - Step 5: Solve for x
x = 3,775,646,405.02/68,383.68 - Step 6: Final answer
x = 55,212.68
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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.