Finding the Fourth Proportional to 76,827.71, 115,214.91 and 26,906.70
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Solution
The fourth proportional to 76,827.71, 115,214.91 and 26,906.70 is: 40,350.72
Step by Step Solution
- Step 1: Write the proportion equation
76,827.71 : 115,214.91 = 26,906.70 : x - Step 2: Convert to fraction form
76,827.71/115,214.91 = 26,906.70/x - Step 3: Cross multiply
76,827.71x = 115,214.91 × 26,906.70 - Step 4: Simplify right side
76,827.71x = 3,100,053,306.93 - Step 5: Solve for x
x = 3,100,053,306.93/76,827.71 - Step 6: Final answer
x = 40,350.72
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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.