Finding the Fourth Proportional to 94,115.70, 129,879.88 and 51,676.96
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Solution
The fourth proportional to 94,115.70, 129,879.88 and 51,676.96 is: 71,314.32
Step by Step Solution
- Step 1: Write the proportion equation
94,115.70 : 129,879.88 = 51,676.96 : x - Step 2: Convert to fraction form
94,115.70/129,879.88 = 51,676.96/x - Step 3: Cross multiply
94,115.70x = 129,879.88 × 51,676.96 - Step 4: Simplify right side
94,115.70x = 6,711,797,363.56 - Step 5: Solve for x
x = 6,711,797,363.56/94,115.70 - Step 6: Final answer
x = 71,314.32
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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.