Finding the Fourth Proportional to 87,636.21, 131,484.84 and 27,673.93
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Solution
The fourth proportional to 87,636.21, 131,484.84 and 27,673.93 is: 41,520.53
Step by Step Solution
- Step 1: Write the proportion equation
87,636.21 : 131,484.84 = 27,673.93 : x - Step 2: Convert to fraction form
87,636.21/131,484.84 = 27,673.93/x - Step 3: Cross multiply
87,636.21x = 131,484.84 × 27,673.93 - Step 4: Simplify right side
87,636.21x = 3,638,702,258.22 - Step 5: Solve for x
x = 3,638,702,258.22/87,636.21 - Step 6: Final answer
x = 41,520.53
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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.