Finding the Fourth Proportional to 79,713.24, 119,577.96 and 27,126.42
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Solution
The fourth proportional to 79,713.24, 119,577.96 and 27,126.42 is: 40,692.39
Step by Step Solution
- Step 1: Write the proportion equation
79,713.24 : 119,577.96 = 27,126.42 : x - Step 2: Convert to fraction form
79,713.24/119,577.96 = 27,126.42/x - Step 3: Cross multiply
79,713.24x = 119,577.96 × 27,126.42 - Step 4: Simplify right side
79,713.24x = 3,243,721,965.70 - Step 5: Solve for x
x = 3,243,721,965.70/79,713.24 - Step 6: Final answer
x = 40,692.39
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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.