Finding the Fourth Proportional to 84,886.24, 117,021.36 and 59,657.44
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Solution
The fourth proportional to 84,886.24, 117,021.36 and 59,657.44 is: 82,241.77
Step by Step Solution
- Step 1: Write the proportion equation
84,886.24 : 117,021.36 = 59,657.44 : x - Step 2: Convert to fraction form
84,886.24/117,021.36 = 59,657.44/x - Step 3: Cross multiply
84,886.24x = 117,021.36 × 59,657.44 - Step 4: Simplify right side
84,886.24x = 6,981,194,762.92 - Step 5: Solve for x
x = 6,981,194,762.92/84,886.24 - Step 6: Final answer
x = 82,241.77
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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.