Finding the Fourth Proportional to 71,172.95, 106,723.15 and 23,770.99
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Solution
The fourth proportional to 71,172.95, 106,723.15 and 23,770.99 is: 35,644.37
Step by Step Solution
- Step 1: Write the proportion equation
71,172.95 : 106,723.15 = 23,770.99 : x - Step 2: Convert to fraction form
71,172.95/106,723.15 = 23,770.99/x - Step 3: Cross multiply
71,172.95x = 106,723.15 × 23,770.99 - Step 4: Simplify right side
71,172.95x = 2,536,914,931.42 - Step 5: Solve for x
x = 2,536,914,931.42/71,172.95 - Step 6: Final answer
x = 35,644.37
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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.