Finding the Fourth Proportional to 74,168.44, 102,351.66 and 40,634.36
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Solution
The fourth proportional to 74,168.44, 102,351.66 and 40,634.36 is: 56,074.99
Step by Step Solution
- Step 1: Write the proportion equation
74,168.44 : 102,351.66 = 40,634.36 : x - Step 2: Convert to fraction form
74,168.44/102,351.66 = 40,634.36/x - Step 3: Cross multiply
74,168.44x = 102,351.66 × 40,634.36 - Step 4: Simplify right side
74,168.44x = 4,158,994,199.04 - Step 5: Solve for x
x = 4,158,994,199.04/74,168.44 - Step 6: Final answer
x = 56,074.99
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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.