Finding the Fourth Proportional to 74,761.34, 112,163.66 and 22,172.09
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Solution
The fourth proportional to 74,761.34, 112,163.66 and 22,172.09 is: 33,264.55
Step by Step Solution
- Step 1: Write the proportion equation
74,761.34 : 112,163.66 = 22,172.09 : x - Step 2: Convert to fraction form
74,761.34/112,163.66 = 22,172.09/x - Step 3: Cross multiply
74,761.34x = 112,163.66 × 22,172.09 - Step 4: Simplify right side
74,761.34x = 2,486,902,092.57 - Step 5: Solve for x
x = 2,486,902,092.57/74,761.34 - Step 6: Final answer
x = 33,264.55
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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.