Finding the Fourth Proportional to 76,556.79, 114,827.75 and 23,249.23
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Solution
The fourth proportional to 76,556.79, 114,827.75 and 23,249.23 is: 34,871.59
Step by Step Solution
- Step 1: Write the proportion equation
76,556.79 : 114,827.75 = 23,249.23 : x - Step 2: Convert to fraction form
76,556.79/114,827.75 = 23,249.23/x - Step 3: Cross multiply
76,556.79x = 114,827.75 × 23,249.23 - Step 4: Simplify right side
76,556.79x = 2,669,656,770.13 - Step 5: Solve for x
x = 2,669,656,770.13/76,556.79 - Step 6: Final answer
x = 34,871.59
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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.