Finding the Fourth Proportional to 68,470.18, 102,685.82 and 21,721.84
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Solution
The fourth proportional to 68,470.18, 102,685.82 and 21,721.84 is: 32,576.59
Step by Step Solution
- Step 1: Write the proportion equation
68,470.18 : 102,685.82 = 21,721.84 : x - Step 2: Convert to fraction form
68,470.18/102,685.82 = 21,721.84/x - Step 3: Cross multiply
68,470.18x = 102,685.82 × 21,721.84 - Step 4: Simplify right side
68,470.18x = 2,230,524,952.31 - Step 5: Solve for x
x = 2,230,524,952.31/68,470.18 - Step 6: Final answer
x = 32,576.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.