Finding the Fourth Proportional to 87,896.93, 132,219.54 and 79,676.08
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Solution
The fourth proportional to 87,896.93, 132,219.54 and 79,676.08 is: 119,853.27
Step by Step Solution
- Step 1: Write the proportion equation
87,896.93 : 132,219.54 = 79,676.08 : x - Step 2: Convert to fraction form
87,896.93/132,219.54 = 79,676.08/x - Step 3: Cross multiply
87,896.93x = 132,219.54 × 79,676.08 - Step 4: Simplify right side
87,896.93x = 10,534,734,316.05 - Step 5: Solve for x
x = 10,534,734,316.05/87,896.93 - Step 6: Final answer
x = 119,853.27
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.