Finding the Fourth Proportional to 84,315.39, 116,137.02 and 58,776.09
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Solution
The fourth proportional to 84,315.39, 116,137.02 and 58,776.09 is: 80,958.88
Step by Step Solution
- Step 1: Write the proportion equation
84,315.39 : 116,137.02 = 58,776.09 : x - Step 2: Convert to fraction form
84,315.39/116,137.02 = 58,776.09/x - Step 3: Cross multiply
84,315.39x = 116,137.02 × 58,776.09 - Step 4: Simplify right side
84,315.39x = 6,826,079,939.85 - Step 5: Solve for x
x = 6,826,079,939.85/84,315.39 - Step 6: Final answer
x = 80,958.88
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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.