Finding the Fourth Proportional to 71,589.36, 107,396.61 and 27,219.99
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Solution
The fourth proportional to 71,589.36, 107,396.61 and 27,219.99 is: 40,834.76
Step by Step Solution
- Step 1: Write the proportion equation
71,589.36 : 107,396.61 = 27,219.99 : x - Step 2: Convert to fraction form
71,589.36/107,396.61 = 27,219.99/x - Step 3: Cross multiply
71,589.36x = 107,396.61 × 27,219.99 - Step 4: Simplify right side
71,589.36x = 2,923,334,650.23 - Step 5: Solve for x
x = 2,923,334,650.23/71,589.36 - Step 6: Final answer
x = 40,834.76
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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.