Finding the Fourth Proportional to 77,313.60, 115,861.05 and 32,895.63
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Solution
The fourth proportional to 77,313.60, 115,861.05 and 32,895.63 is: 49,296.92
Step by Step Solution
- Step 1: Write the proportion equation
77,313.60 : 115,861.05 = 32,895.63 : x - Step 2: Convert to fraction form
77,313.60/115,861.05 = 32,895.63/x - Step 3: Cross multiply
77,313.60x = 115,861.05 × 32,895.63 - Step 4: Simplify right side
77,313.60x = 3,811,322,232.21 - Step 5: Solve for x
x = 3,811,322,232.21/77,313.60 - Step 6: Final answer
x = 49,296.92
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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.