Finding the Fourth Proportional to 84,544.61, 126,863.58 and 47,125.75
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Solution
The fourth proportional to 84,544.61, 126,863.58 and 47,125.75 is: 70,714.63
Step by Step Solution
- Step 1: Write the proportion equation
84,544.61 : 126,863.58 = 47,125.75 : x - Step 2: Convert to fraction form
84,544.61/126,863.58 = 47,125.75/x - Step 3: Cross multiply
84,544.61x = 126,863.58 × 47,125.75 - Step 4: Simplify right side
84,544.61x = 5,978,540,720.87 - Step 5: Solve for x
x = 5,978,540,720.87/84,544.61 - Step 6: Final answer
x = 70,714.63
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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.