Finding the Fourth Proportional to 87,823.36, 121,207.68 and 50,104.96
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Solution
The fourth proportional to 87,823.36, 121,207.68 and 50,104.96 is: 69,151.37
Step by Step Solution
- Step 1: Write the proportion equation
87,823.36 : 121,207.68 = 50,104.96 : x - Step 2: Convert to fraction form
87,823.36/121,207.68 = 50,104.96/x - Step 3: Cross multiply
87,823.36x = 121,207.68 × 50,104.96 - Step 4: Simplify right side
87,823.36x = 6,073,105,958.09 - Step 5: Solve for x
x = 6,073,105,958.09/87,823.36 - Step 6: Final answer
x = 69,151.37
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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.