Finding the Fourth Proportional to 86,620.05, 119,527.07 and 48,376.49
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Solution
The fourth proportional to 86,620.05, 119,527.07 and 48,376.49 is: 66,754.74
Step by Step Solution
- Step 1: Write the proportion equation
86,620.05 : 119,527.07 = 48,376.49 : x - Step 2: Convert to fraction form
86,620.05/119,527.07 = 48,376.49/x - Step 3: Cross multiply
86,620.05x = 119,527.07 × 48,376.49 - Step 4: Simplify right side
86,620.05x = 5,782,299,267.07 - Step 5: Solve for x
x = 5,782,299,267.07/86,620.05 - Step 6: Final answer
x = 66,754.74
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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.