Finding the Fourth Proportional to 71,512.45, 107,227.14 and 27,114.99
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Solution
The fourth proportional to 71,512.45, 107,227.14 and 27,114.99 is: 40,656.73
Step by Step Solution
- Step 1: Write the proportion equation
71,512.45 : 107,227.14 = 27,114.99 : x - Step 2: Convert to fraction form
71,512.45/107,227.14 = 27,114.99/x - Step 3: Cross multiply
71,512.45x = 107,227.14 × 27,114.99 - Step 4: Simplify right side
71,512.45x = 2,907,462,477.57 - Step 5: Solve for x
x = 2,907,462,477.57/71,512.45 - Step 6: Final answer
x = 40,656.73
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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.