Finding the Fourth Proportional to 96,696.11, 133,438.51 and 53,673.07
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Solution
The fourth proportional to 96,696.11, 133,438.51 and 53,673.07 is: 74,067.66
Step by Step Solution
- Step 1: Write the proportion equation
96,696.11 : 133,438.51 = 53,673.07 : x - Step 2: Convert to fraction form
96,696.11/133,438.51 = 53,673.07/x - Step 3: Cross multiply
96,696.11x = 133,438.51 × 53,673.07 - Step 4: Simplify right side
96,696.11x = 7,162,054,487.93 - Step 5: Solve for x
x = 7,162,054,487.93/96,696.11 - Step 6: Final answer
x = 74,067.66
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1.5x scale
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.