Finding the Fourth Proportional to 86,514.16, 129,536.74 and 44,873.68
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Solution
The fourth proportional to 86,514.16, 129,536.74 and 44,873.68 is: 67,188.89
Step by Step Solution
- Step 1: Write the proportion equation
86,514.16 : 129,536.74 = 44,873.68 : x - Step 2: Convert to fraction form
86,514.16/129,536.74 = 44,873.68/x - Step 3: Cross multiply
86,514.16x = 129,536.74 × 44,873.68 - Step 4: Simplify right side
86,514.16x = 5,812,790,320.34 - Step 5: Solve for x
x = 5,812,790,320.34/86,514.16 - Step 6: Final answer
x = 67,188.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.