Finding the Fourth Proportional to 71,445.84, 107,163.16 and 27,068.56
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Solution
The fourth proportional to 71,445.84, 107,163.16 and 27,068.56 is: 40,600.72
Step by Step Solution
- Step 1: Write the proportion equation
71,445.84 : 107,163.16 = 27,068.56 : x - Step 2: Convert to fraction form
71,445.84/107,163.16 = 27,068.56/x - Step 3: Cross multiply
71,445.84x = 107,163.16 × 27,068.56 - Step 4: Simplify right side
71,445.84x = 2,900,752,426.25 - Step 5: Solve for x
x = 2,900,752,426.25/71,445.84 - Step 6: Final answer
x = 40,600.72
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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.