Finding the Fourth Proportional to 71,158.51, 106,733.92 and 36,097.26
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Solution
The fourth proportional to 71,158.51, 106,733.92 and 36,097.26 is: 54,143.94
Step by Step Solution
- Step 1: Write the proportion equation
71,158.51 : 106,733.92 = 36,097.26 : x - Step 2: Convert to fraction form
71,158.51/106,733.92 = 36,097.26/x - Step 3: Cross multiply
71,158.51x = 106,733.92 × 36,097.26 - Step 4: Simplify right side
71,158.51x = 3,852,802,061.06 - Step 5: Solve for x
x = 3,852,802,061.06/71,158.51 - Step 6: Final answer
x = 54,143.94
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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.