Finding the Fourth Proportional to 86,514.24, 129,790.60 and 26,551.06
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Solution
The fourth proportional to 86,514.24, 129,790.60 and 26,551.06 is: 39,832.49
Step by Step Solution
- Step 1: Write the proportion equation
86,514.24 : 129,790.60 = 26,551.06 : x - Step 2: Convert to fraction form
86,514.24/129,790.60 = 26,551.06/x - Step 3: Cross multiply
86,514.24x = 129,790.60 × 26,551.06 - Step 4: Simplify right side
86,514.24x = 3,446,078,008.04 - Step 5: Solve for x
x = 3,446,078,008.04/86,514.24 - Step 6: Final answer
x = 39,832.49
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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.