Finding the Fourth Proportional to 83,161.80, 124,759.14 and 26,991.48
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Solution
The fourth proportional to 83,161.80, 124,759.14 and 26,991.48 is: 40,492.56
Step by Step Solution
- Step 1: Write the proportion equation
83,161.80 : 124,759.14 = 26,991.48 : x - Step 2: Convert to fraction form
83,161.80/124,759.14 = 26,991.48/x - Step 3: Cross multiply
83,161.80x = 124,759.14 × 26,991.48 - Step 4: Simplify right side
83,161.80x = 3,367,433,832.13 - Step 5: Solve for x
x = 3,367,433,832.13/83,161.80 - Step 6: Final answer
x = 40,492.56
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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.