Finding the Fourth Proportional to 87,682.08, 131,503.68 and 35,077.44
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Solution
The fourth proportional to 87,682.08, 131,503.68 and 35,077.44 is: 52,608.38
Step by Step Solution
- Step 1: Write the proportion equation
87,682.08 : 131,503.68 = 35,077.44 : x - Step 2: Convert to fraction form
87,682.08/131,503.68 = 35,077.44/x - Step 3: Cross multiply
87,682.08x = 131,503.68 × 35,077.44 - Step 4: Simplify right side
87,682.08x = 4,612,812,444.98 - Step 5: Solve for x
x = 4,612,812,444.98/87,682.08 - Step 6: Final answer
x = 52,608.38
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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.