Finding the Fourth Proportional to 93,790.05, 129,446.63 and 55,571.12
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Solution
The fourth proportional to 93,790.05, 129,446.63 and 55,571.12 is: 76,697.83
Step by Step Solution
- Step 1: Write the proportion equation
93,790.05 : 129,446.63 = 55,571.12 : x - Step 2: Convert to fraction form
93,790.05/129,446.63 = 55,571.12/x - Step 3: Cross multiply
93,790.05x = 129,446.63 × 55,571.12 - Step 4: Simplify right side
93,790.05x = 7,193,493,284.24 - Step 5: Solve for x
x = 7,193,493,284.24/93,790.05 - Step 6: Final answer
x = 76,697.83
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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.