Finding the Fourth Proportional to 86,563.73, 119,463.98 and 48,330.81
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Solution
The fourth proportional to 86,563.73, 119,463.98 and 48,330.81 is: 66,699.88
Step by Step Solution
- Step 1: Write the proportion equation
86,563.73 : 119,463.98 = 48,330.81 : x - Step 2: Convert to fraction form
86,563.73/119,463.98 = 48,330.81/x - Step 3: Cross multiply
86,563.73x = 119,463.98 × 48,330.81 - Step 4: Simplify right side
86,563.73x = 5,773,790,677.57 - Step 5: Solve for x
x = 5,773,790,677.57/86,563.73 - Step 6: Final answer
x = 66,699.88
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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.