Finding the Fourth Proportional to 86,751.66, 119,715.30 and 48,511.74
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Solution
The fourth proportional to 86,751.66, 119,715.30 and 48,511.74 is: 66,945.09
Step by Step Solution
- Step 1: Write the proportion equation
86,751.66 : 119,715.30 = 48,511.74 : x - Step 2: Convert to fraction form
86,751.66/119,715.30 = 48,511.74/x - Step 3: Cross multiply
86,751.66x = 119,715.30 × 48,511.74 - Step 4: Simplify right side
86,751.66x = 5,807,597,507.62 - Step 5: Solve for x
x = 5,807,597,507.62/86,751.66 - Step 6: Final answer
x = 66,945.09
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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.