Finding the Fourth Proportional to 99,655.26, 137,524.26 and 54,943.26
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Solution
The fourth proportional to 99,655.26, 137,524.26 and 54,943.26 is: 75,821.70
Step by Step Solution
- Step 1: Write the proportion equation
99,655.26 : 137,524.26 = 54,943.26 : x - Step 2: Convert to fraction form
99,655.26/137,524.26 = 54,943.26/x - Step 3: Cross multiply
99,655.26x = 137,524.26 × 54,943.26 - Step 4: Simplify right side
99,655.26x = 7,556,031,173.49 - Step 5: Solve for x
x = 7,556,031,173.49/99,655.26 - Step 6: Final answer
x = 75,821.70
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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.