Finding the Fourth Proportional to 71,480.63, 107,220.95 and 29,927.63
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Solution
The fourth proportional to 71,480.63, 107,220.95 and 29,927.63 is: 44,891.44
Step by Step Solution
- Step 1: Write the proportion equation
71,480.63 : 107,220.95 = 29,927.63 : x - Step 2: Convert to fraction form
71,480.63/107,220.95 = 29,927.63/x - Step 3: Cross multiply
71,480.63x = 107,220.95 × 29,927.63 - Step 4: Simplify right side
71,480.63x = 3,208,868,234.11 - Step 5: Solve for x
x = 3,208,868,234.11/71,480.63 - Step 6: Final answer
x = 44,891.44
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1.5x scale
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.