Finding the Fourth Proportional to 95,138.58, 142,696.92 and 31,956.14
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Solution
The fourth proportional to 95,138.58, 142,696.92 and 31,956.14 is: 47,930.53
Step by Step Solution
- Step 1: Write the proportion equation
95,138.58 : 142,696.92 = 31,956.14 : x - Step 2: Convert to fraction form
95,138.58/142,696.92 = 31,956.14/x - Step 3: Cross multiply
95,138.58x = 142,696.92 × 31,956.14 - Step 4: Simplify right side
95,138.58x = 4,560,042,753.09 - Step 5: Solve for x
x = 4,560,042,753.09/95,138.58 - Step 6: Final answer
x = 47,930.53
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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.