Finding the Fourth Proportional to 71,110.44, 106,580.61 and 31,622.94
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Solution
The fourth proportional to 71,110.44, 106,580.61 and 31,622.94 is: 47,396.59
Step by Step Solution
- Step 1: Write the proportion equation
71,110.44 : 106,580.61 = 31,622.94 : x - Step 2: Convert to fraction form
71,110.44/106,580.61 = 31,622.94/x - Step 3: Cross multiply
71,110.44x = 106,580.61 × 31,622.94 - Step 4: Simplify right side
71,110.44x = 3,370,392,235.19 - Step 5: Solve for x
x = 3,370,392,235.19/71,110.44 - Step 6: Final answer
x = 47,396.59
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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.