Finding the Fourth Proportional to 79,676.98, 109,950.04 and 43,859.99
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Solution
The fourth proportional to 79,676.98, 109,950.04 and 43,859.99 is: 60,524.48
Step by Step Solution
- Step 1: Write the proportion equation
79,676.98 : 109,950.04 = 43,859.99 : x - Step 2: Convert to fraction form
79,676.98/109,950.04 = 43,859.99/x - Step 3: Cross multiply
79,676.98x = 109,950.04 × 43,859.99 - Step 4: Simplify right side
79,676.98x = 4,822,407,654.90 - Step 5: Solve for x
x = 4,822,407,654.90/79,676.98 - Step 6: Final answer
x = 60,524.48
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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.