Finding the Fourth Proportional to 71,157.61, 106,514.98 and 44,806.99
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Solution
The fourth proportional to 71,157.61, 106,514.98 and 44,806.99 is: 67,071.05
Step by Step Solution
- Step 1: Write the proportion equation
71,157.61 : 106,514.98 = 44,806.99 : x - Step 2: Convert to fraction form
71,157.61/106,514.98 = 44,806.99/x - Step 3: Cross multiply
71,157.61x = 106,514.98 × 44,806.99 - Step 4: Simplify right side
71,157.61x = 4,772,615,797.98 - Step 5: Solve for x
x = 4,772,615,797.98/71,157.61 - Step 6: Final answer
x = 67,071.05
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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.