Finding the Fourth Proportional to 84,634.99, 116,785.50 and 48,825.07
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Solution
The fourth proportional to 84,634.99, 116,785.50 and 48,825.07 is: 67,372.37
Step by Step Solution
- Step 1: Write the proportion equation
84,634.99 : 116,785.50 = 48,825.07 : x - Step 2: Convert to fraction form
84,634.99/116,785.50 = 48,825.07/x - Step 3: Cross multiply
84,634.99x = 116,785.50 × 48,825.07 - Step 4: Simplify right side
84,634.99x = 5,702,060,212.49 - Step 5: Solve for x
x = 5,702,060,212.49/84,634.99 - Step 6: Final answer
x = 67,372.37
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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.