Finding the Fourth Proportional to 106,479.56, 159,672.57 and 39,872.98
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Solution
The fourth proportional to 106,479.56, 159,672.57 and 39,872.98 is: 59,791.95
Step by Step Solution
- Step 1: Write the proportion equation
106,479.56 : 159,672.57 = 39,872.98 : x - Step 2: Convert to fraction form
106,479.56/159,672.57 = 39,872.98/x - Step 3: Cross multiply
106,479.56x = 159,672.57 × 39,872.98 - Step 4: Simplify right side
106,479.56x = 6,366,620,342.07 - Step 5: Solve for x
x = 6,366,620,342.07/106,479.56 - Step 6: Final answer
x = 59,791.95
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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.