Finding the Fourth Proportional to 71,714.08, 107,466.48 and 40,389.28
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Solution
The fourth proportional to 71,714.08, 107,466.48 and 40,389.28 is: 60,524.99
Step by Step Solution
- Step 1: Write the proportion equation
71,714.08 : 107,466.48 = 40,389.28 : x - Step 2: Convert to fraction form
71,714.08/107,466.48 = 40,389.28/x - Step 3: Cross multiply
71,714.08x = 107,466.48 × 40,389.28 - Step 4: Simplify right side
71,714.08x = 4,340,493,751.33 - Step 5: Solve for x
x = 4,340,493,751.33/71,714.08 - Step 6: Final answer
x = 60,524.99
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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.