Finding the Fourth Proportional to 96,696.18, 133,438.62 and 53,673.17
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Solution
The fourth proportional to 96,696.18, 133,438.62 and 53,673.17 is: 74,067.80
Step by Step Solution
- Step 1: Write the proportion equation
96,696.18 : 133,438.62 = 53,673.17 : x - Step 2: Convert to fraction form
96,696.18/133,438.62 = 53,673.17/x - Step 3: Cross multiply
96,696.18x = 133,438.62 × 53,673.17 - Step 4: Simplify right side
96,696.18x = 7,162,073,269.91 - Step 5: Solve for x
x = 7,162,073,269.91/96,696.18 - Step 6: Final answer
x = 74,067.80
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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.