Finding the Fourth Proportional to 71,370.24, 107,068.80 and 29,821.44
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Solution
The fourth proportional to 71,370.24, 107,068.80 and 29,821.44 is: 44,737.78
Step by Step Solution
- Step 1: Write the proportion equation
71,370.24 : 107,068.80 = 29,821.44 : x - Step 2: Convert to fraction form
71,370.24/107,068.80 = 29,821.44/x - Step 3: Cross multiply
71,370.24x = 107,068.80 × 29,821.44 - Step 4: Simplify right side
71,370.24x = 3,192,945,795.07 - Step 5: Solve for x
x = 3,192,945,795.07/71,370.24 - Step 6: Final answer
x = 44,737.78
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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.