Finding the Fourth Proportional to 71,229.54, 106,868.88 and 26,868.99
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Solution
The fourth proportional to 71,229.54, 106,868.88 and 26,868.99 is: 40,312.75
Step by Step Solution
- Step 1: Write the proportion equation
71,229.54 : 106,868.88 = 26,868.99 : x - Step 2: Convert to fraction form
71,229.54/106,868.88 = 26,868.99/x - Step 3: Cross multiply
71,229.54x = 106,868.88 × 26,868.99 - Step 4: Simplify right side
71,229.54x = 2,871,458,868.03 - Step 5: Solve for x
x = 2,871,458,868.03/71,229.54 - Step 6: Final answer
x = 40,312.75
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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.