Finding the Fourth Proportional to 96,318.93, 132,921.09 and 53,296.23
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Solution
The fourth proportional to 96,318.93, 132,921.09 and 53,296.23 is: 73,549.33
Step by Step Solution
- Step 1: Write the proportion equation
96,318.93 : 132,921.09 = 53,296.23 : x - Step 2: Convert to fraction form
96,318.93/132,921.09 = 53,296.23/x - Step 3: Cross multiply
96,318.93x = 132,921.09 × 53,296.23 - Step 4: Simplify right side
96,318.93x = 7,084,192,984.49 - Step 5: Solve for x
x = 7,084,192,984.49/96,318.93 - Step 6: Final answer
x = 73,549.33
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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.