Finding the Fourth Proportional to 87,357.06, 120,553.92 and 49,624.02
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Solution
The fourth proportional to 87,357.06, 120,553.92 and 49,624.02 is: 68,481.82
Step by Step Solution
- Step 1: Write the proportion equation
87,357.06 : 120,553.92 = 49,624.02 : x - Step 2: Convert to fraction form
87,357.06/120,553.92 = 49,624.02/x - Step 3: Cross multiply
87,357.06x = 120,553.92 × 49,624.02 - Step 4: Simplify right side
87,357.06x = 5,982,370,137.16 - Step 5: Solve for x
x = 5,982,370,137.16/87,357.06 - Step 6: Final answer
x = 68,481.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.