Finding the Fourth Proportional to 71,217.98, 106,851.64 and 26,857.46
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Solution
The fourth proportional to 71,217.98, 106,851.64 and 26,857.46 is: 40,295.49
Step by Step Solution
- Step 1: Write the proportion equation
71,217.98 : 106,851.64 = 26,857.46 : x - Step 2: Convert to fraction form
71,217.98/106,851.64 = 26,857.46/x - Step 3: Cross multiply
71,217.98x = 106,851.64 × 26,857.46 - Step 4: Simplify right side
71,217.98x = 2,869,763,647.23 - Step 5: Solve for x
x = 2,869,763,647.23/71,217.98 - Step 6: Final answer
x = 40,295.49
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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.