Finding the Fourth Proportional to 84,633.99, 116,784.12 and 48,824.07
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Solution
The fourth proportional to 84,633.99, 116,784.12 and 48,824.07 is: 67,370.99
Step by Step Solution
- Step 1: Write the proportion equation
84,633.99 : 116,784.12 = 48,824.07 : x - Step 2: Convert to fraction form
84,633.99/116,784.12 = 48,824.07/x - Step 3: Cross multiply
84,633.99x = 116,784.12 × 48,824.07 - Step 4: Simplify right side
84,633.99x = 5,701,876,049.77 - Step 5: Solve for x
x = 5,701,876,049.77/84,633.99 - Step 6: Final answer
x = 67,370.99
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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.