Finding the Fourth Proportional to 86,469.48, 119,322.18 and 48,742.92
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Solution
The fourth proportional to 86,469.48, 119,322.18 and 48,742.92 is: 67,262.02
Step by Step Solution
- Step 1: Write the proportion equation
86,469.48 : 119,322.18 = 48,742.92 : x - Step 2: Convert to fraction form
86,469.48/119,322.18 = 48,742.92/x - Step 3: Cross multiply
86,469.48x = 119,322.18 × 48,742.92 - Step 4: Simplify right side
86,469.48x = 5,816,111,473.97 - Step 5: Solve for x
x = 5,816,111,473.97/86,469.48 - Step 6: Final answer
x = 67,262.02
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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.