Finding the Fourth Proportional to 76,354.99, 114,505.04 and 26,421.53
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Solution
The fourth proportional to 76,354.99, 114,505.04 and 26,421.53 is: 39,622.79
Step by Step Solution
- Step 1: Write the proportion equation
76,354.99 : 114,505.04 = 26,421.53 : x - Step 2: Convert to fraction form
76,354.99/114,505.04 = 26,421.53/x - Step 3: Cross multiply
76,354.99x = 114,505.04 × 26,421.53 - Step 4: Simplify right side
76,354.99x = 3,025,397,843.04 - Step 5: Solve for x
x = 3,025,397,843.04/76,354.99 - Step 6: Final answer
x = 39,622.79
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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.