Finding the Fourth Proportional to 68,647.50, 102,971.86 and 27,094.50
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Solution
The fourth proportional to 68,647.50, 102,971.86 and 27,094.50 is: 40,641.99
Step by Step Solution
- Step 1: Write the proportion equation
68,647.50 : 102,971.86 = 27,094.50 : x - Step 2: Convert to fraction form
68,647.50/102,971.86 = 27,094.50/x - Step 3: Cross multiply
68,647.50x = 102,971.86 × 27,094.50 - Step 4: Simplify right side
68,647.50x = 2,789,970,993.03 - Step 5: Solve for x
x = 2,789,970,993.03/68,647.50 - Step 6: Final answer
x = 40,641.99
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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.