Finding the Fourth Proportional to 86,790.96, 119,768.24 and 49,066.08
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Solution
The fourth proportional to 86,790.96, 119,768.24 and 49,066.08 is: 67,709.33
Step by Step Solution
- Step 1: Write the proportion equation
86,790.96 : 119,768.24 = 49,066.08 : x - Step 2: Convert to fraction form
86,790.96/119,768.24 = 49,066.08/x - Step 3: Cross multiply
86,790.96x = 119,768.24 × 49,066.08 - Step 4: Simplify right side
86,790.96x = 5,876,558,045.30 - Step 5: Solve for x
x = 5,876,558,045.30/86,790.96 - Step 6: Final answer
x = 67,709.33
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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.