Finding the Fourth Proportional to 84,088.75, 116,043.38 and 45,847.99
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Solution
The fourth proportional to 84,088.75, 116,043.38 and 45,847.99 is: 63,270.72
Step by Step Solution
- Step 1: Write the proportion equation
84,088.75 : 116,043.38 = 45,847.99 : x - Step 2: Convert to fraction form
84,088.75/116,043.38 = 45,847.99/x - Step 3: Cross multiply
84,088.75x = 116,043.38 × 45,847.99 - Step 4: Simplify right side
84,088.75x = 5,320,355,725.81 - Step 5: Solve for x
x = 5,320,355,725.81/84,088.75 - Step 6: Final answer
x = 63,270.72
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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.