Finding the Fourth Proportional to 71,173.95, 106,724.65 and 23,771.99
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Solution
The fourth proportional to 71,173.95, 106,724.65 and 23,771.99 is: 35,645.87
Step by Step Solution
- Step 1: Write the proportion equation
71,173.95 : 106,724.65 = 23,771.99 : x - Step 2: Convert to fraction form
71,173.95/106,724.65 = 23,771.99/x - Step 3: Cross multiply
71,173.95x = 106,724.65 × 23,771.99 - Step 4: Simplify right side
71,173.95x = 2,537,057,312.55 - Step 5: Solve for x
x = 2,537,057,312.55/71,173.95 - Step 6: Final answer
x = 35,645.87
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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.