Finding the Fourth Proportional to 96,693.03, 133,434.28 and 53,669.99
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Solution
The fourth proportional to 96,693.03, 133,434.28 and 53,669.99 is: 74,063.42
Step by Step Solution
- Step 1: Write the proportion equation
96,693.03 : 133,434.28 = 53,669.99 : x - Step 2: Convert to fraction form
96,693.03/133,434.28 = 53,669.99/x - Step 3: Cross multiply
96,693.03x = 133,434.28 × 53,669.99 - Step 4: Simplify right side
96,693.03x = 7,161,416,473.26 - Step 5: Solve for x
x = 7,161,416,473.26/96,693.03 - Step 6: Final answer
x = 74,063.42
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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.