Finding the Fourth Proportional to 76,717.52, 115,103.88 and 26,804.96
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Solution
The fourth proportional to 76,717.52, 115,103.88 and 26,804.96 is: 40,217.08
Step by Step Solution
- Step 1: Write the proportion equation
76,717.52 : 115,103.88 = 26,804.96 : x - Step 2: Convert to fraction form
76,717.52/115,103.88 = 26,804.96/x - Step 3: Cross multiply
76,717.52x = 115,103.88 × 26,804.96 - Step 4: Simplify right side
76,717.52x = 3,085,354,899.24 - Step 5: Solve for x
x = 3,085,354,899.24/76,717.52 - Step 6: Final answer
x = 40,217.08
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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.