Finding the Fourth Proportional to 70,915.26, 106,391.34 and 26,545.44
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Solution
The fourth proportional to 70,915.26, 106,391.34 and 26,545.44 is: 39,825.07
Step by Step Solution
- Step 1: Write the proportion equation
70,915.26 : 106,391.34 = 26,545.44 : x - Step 2: Convert to fraction form
70,915.26/106,391.34 = 26,545.44/x - Step 3: Cross multiply
70,915.26x = 106,391.34 × 26,545.44 - Step 4: Simplify right side
70,915.26x = 2,824,204,932.49 - Step 5: Solve for x
x = 2,824,204,932.49/70,915.26 - Step 6: Final answer
x = 39,825.07
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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.