Finding the Fourth Proportional to 84,169.12, 116,149.44 and 48,333.88
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Solution
The fourth proportional to 84,169.12, 116,149.44 and 48,333.88 is: 66,698.49
Step by Step Solution
- Step 1: Write the proportion equation
84,169.12 : 116,149.44 = 48,333.88 : x - Step 2: Convert to fraction form
84,169.12/116,149.44 = 48,333.88/x - Step 3: Cross multiply
84,169.12x = 116,149.44 × 48,333.88 - Step 4: Simplify right side
84,169.12x = 5,613,953,095.03 - Step 5: Solve for x
x = 5,613,953,095.03/84,169.12 - Step 6: Final answer
x = 66,698.49
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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.