Finding the Fourth Proportional to 76,628.08, 114,937.35 and 36,675.44
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Solution
The fourth proportional to 76,628.08, 114,937.35 and 36,675.44 is: 55,010.88
Step by Step Solution
- Step 1: Write the proportion equation
76,628.08 : 114,937.35 = 36,675.44 : x - Step 2: Convert to fraction form
76,628.08/114,937.35 = 36,675.44/x - Step 3: Cross multiply
76,628.08x = 114,937.35 × 36,675.44 - Step 4: Simplify right side
76,628.08x = 4,215,377,883.68 - Step 5: Solve for x
x = 4,215,377,883.68/76,628.08 - Step 6: Final answer
x = 55,010.88
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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.