Finding the Fourth Proportional to 86,695.26, 119,649.18 and 48,971.94
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Solution
The fourth proportional to 86,695.26, 119,649.18 and 48,971.94 is: 67,586.77
Step by Step Solution
- Step 1: Write the proportion equation
86,695.26 : 119,649.18 = 48,971.94 : x - Step 2: Convert to fraction form
86,695.26/119,649.18 = 48,971.94/x - Step 3: Cross multiply
86,695.26x = 119,649.18 × 48,971.94 - Step 4: Simplify right side
86,695.26x = 5,859,452,464.01 - Step 5: Solve for x
x = 5,859,452,464.01/86,695.26 - Step 6: Final answer
x = 67,586.77
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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.