Finding the Fourth Proportional to 83,778.99, 115,612.07 and 46,052.97
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Solution
The fourth proportional to 83,778.99, 115,612.07 and 46,052.97 is: 63,551.48
Step by Step Solution
- Step 1: Write the proportion equation
83,778.99 : 115,612.07 = 46,052.97 : x - Step 2: Convert to fraction form
83,778.99/115,612.07 = 46,052.97/x - Step 3: Cross multiply
83,778.99x = 115,612.07 × 46,052.97 - Step 4: Simplify right side
83,778.99x = 5,324,278,613.29 - Step 5: Solve for x
x = 5,324,278,613.29/83,778.99 - Step 6: Final answer
x = 63,551.48
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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.