Finding the Fourth Proportional to 96,211.71, 132,776.31 and 54,819.99
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Solution
The fourth proportional to 96,211.71, 132,776.31 and 54,819.99 is: 75,653.95
Step by Step Solution
- Step 1: Write the proportion equation
96,211.71 : 132,776.31 = 54,819.99 : x - Step 2: Convert to fraction form
96,211.71/132,776.31 = 54,819.99/x - Step 3: Cross multiply
96,211.71x = 132,776.31 × 54,819.99 - Step 4: Simplify right side
96,211.71x = 7,278,795,986.44 - Step 5: Solve for x
x = 7,278,795,986.44/96,211.71 - Step 6: Final answer
x = 75,653.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.