Finding the Fourth Proportional to 71,084.44, 106,626.80 and 18,493.84
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Solution
The fourth proportional to 71,084.44, 106,626.80 and 18,493.84 is: 27,740.80
Step by Step Solution
- Step 1: Write the proportion equation
71,084.44 : 106,626.80 = 18,493.84 : x - Step 2: Convert to fraction form
71,084.44/106,626.80 = 18,493.84/x - Step 3: Cross multiply
71,084.44x = 106,626.80 × 18,493.84 - Step 4: Simplify right side
71,084.44x = 1,971,938,978.91 - Step 5: Solve for x
x = 1,971,938,978.91/71,084.44 - Step 6: Final answer
x = 27,740.80
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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.