Finding the Fourth Proportional to 76,861.08, 106,067.34 and 43,327.08
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Solution
The fourth proportional to 76,861.08, 106,067.34 and 43,327.08 is: 59,790.83
Step by Step Solution
- Step 1: Write the proportion equation
76,861.08 : 106,067.34 = 43,327.08 : x - Step 2: Convert to fraction form
76,861.08/106,067.34 = 43,327.08/x - Step 3: Cross multiply
76,861.08x = 106,067.34 × 43,327.08 - Step 4: Simplify right side
76,861.08x = 4,595,588,125.57 - Step 5: Solve for x
x = 4,595,588,125.57/76,861.08 - Step 6: Final answer
x = 59,790.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.