Finding the Fourth Proportional to 71,692.36, 107,536.11 and 27,317.53
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Solution
The fourth proportional to 71,692.36, 107,536.11 and 27,317.53 is: 40,975.37
Step by Step Solution
- Step 1: Write the proportion equation
71,692.36 : 107,536.11 = 27,317.53 : x - Step 2: Convert to fraction form
71,692.36/107,536.11 = 27,317.53/x - Step 3: Cross multiply
71,692.36x = 107,536.11 × 27,317.53 - Step 4: Simplify right side
71,692.36x = 2,937,620,911.01 - Step 5: Solve for x
x = 2,937,620,911.01/71,692.36 - Step 6: Final answer
x = 40,975.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.