Finding the Fourth Proportional to 79,769.18, 110,087.84 and 43,965.26
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Solution
The fourth proportional to 79,769.18, 110,087.84 and 43,965.26 is: 60,675.57
Step by Step Solution
- Step 1: Write the proportion equation
79,769.18 : 110,087.84 = 43,965.26 : x - Step 2: Convert to fraction form
79,769.18/110,087.84 = 43,965.26/x - Step 3: Cross multiply
79,769.18x = 110,087.84 × 43,965.26 - Step 4: Simplify right side
79,769.18x = 4,840,040,508.44 - Step 5: Solve for x
x = 4,840,040,508.44/79,769.18 - Step 6: Final answer
x = 60,675.57
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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.