Finding the Fourth Proportional to 68,375.80, 102,563.70 and 37,271.80
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Solution
The fourth proportional to 68,375.80, 102,563.70 and 37,271.80 is: 55,907.70
Step by Step Solution
- Step 1: Write the proportion equation
68,375.80 : 102,563.70 = 37,271.80 : x - Step 2: Convert to fraction form
68,375.80/102,563.70 = 37,271.80/x - Step 3: Cross multiply
68,375.80x = 102,563.70 × 37,271.80 - Step 4: Simplify right side
68,375.80x = 3,822,733,713.66 - Step 5: Solve for x
x = 3,822,733,713.66/68,375.80 - Step 6: Final answer
x = 55,907.70
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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.