Finding the Fourth Proportional to 76,750.59, 115,138.20 and 32,383.88
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Solution
The fourth proportional to 76,750.59, 115,138.20 and 32,383.88 is: 48,581.02
Step by Step Solution
- Step 1: Write the proportion equation
76,750.59 : 115,138.20 = 32,383.88 : x - Step 2: Convert to fraction form
76,750.59/115,138.20 = 32,383.88/x - Step 3: Cross multiply
76,750.59x = 115,138.20 × 32,383.88 - Step 4: Simplify right side
76,750.59x = 3,728,621,652.22 - Step 5: Solve for x
x = 3,728,621,652.22/76,750.59 - Step 6: Final answer
x = 48,581.02
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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.