Finding the Fourth Proportional to 79,049.66, 109,090.16 and 43,241.99
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Solution
The fourth proportional to 79,049.66, 109,090.16 and 43,241.99 is: 59,674.83
Step by Step Solution
- Step 1: Write the proportion equation
79,049.66 : 109,090.16 = 43,241.99 : x - Step 2: Convert to fraction form
79,049.66/109,090.16 = 43,241.99/x - Step 3: Cross multiply
79,049.66x = 109,090.16 × 43,241.99 - Step 4: Simplify right side
79,049.66x = 4,717,274,846.16 - Step 5: Solve for x
x = 4,717,274,846.16/79,049.66 - Step 6: Final answer
x = 59,674.83
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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.