Finding the Fourth Proportional to 68,529.03, 102,832.43 and 27,005.19
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Solution
The fourth proportional to 68,529.03, 102,832.43 and 27,005.19 is: 40,523.11
Step by Step Solution
- Step 1: Write the proportion equation
68,529.03 : 102,832.43 = 27,005.19 : x - Step 2: Convert to fraction form
68,529.03/102,832.43 = 27,005.19/x - Step 3: Cross multiply
68,529.03x = 102,832.43 × 27,005.19 - Step 4: Simplify right side
68,529.03x = 2,777,009,310.31 - Step 5: Solve for x
x = 2,777,009,310.31/68,529.03 - Step 6: Final answer
x = 40,523.11
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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.