Finding the Fourth Proportional to 86,325.61, 119,120.82 and 48,083.87
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Solution
The fourth proportional to 86,325.61, 119,120.82 and 48,083.87 is: 66,350.99
Step by Step Solution
- Step 1: Write the proportion equation
86,325.61 : 119,120.82 = 48,083.87 : x - Step 2: Convert to fraction form
86,325.61/119,120.82 = 48,083.87/x - Step 3: Cross multiply
86,325.61x = 119,120.82 × 48,083.87 - Step 4: Simplify right side
86,325.61x = 5,727,790,023.17 - Step 5: Solve for x
x = 5,727,790,023.17/86,325.61 - Step 6: Final answer
x = 66,350.99
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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.