Finding the Fourth Proportional to 68,625.08, 102,855.54 and 35,361.08
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Solution
The fourth proportional to 68,625.08, 102,855.54 and 35,361.08 is: 52,999.33
Step by Step Solution
- Step 1: Write the proportion equation
68,625.08 : 102,855.54 = 35,361.08 : x - Step 2: Convert to fraction form
68,625.08/102,855.54 = 35,361.08/x - Step 3: Cross multiply
68,625.08x = 102,855.54 × 35,361.08 - Step 4: Simplify right side
68,625.08x = 3,637,082,978.38 - Step 5: Solve for x
x = 3,637,082,978.38/68,625.08 - Step 6: Final answer
x = 52,999.33
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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.