Finding the Fourth Proportional to 76,825.20, 115,245.48 and 27,565.68
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Solution
The fourth proportional to 76,825.20, 115,245.48 and 27,565.68 is: 41,351.28
Step by Step Solution
- Step 1: Write the proportion equation
76,825.20 : 115,245.48 = 27,565.68 : x - Step 2: Convert to fraction form
76,825.20/115,245.48 = 27,565.68/x - Step 3: Cross multiply
76,825.20x = 115,245.48 × 27,565.68 - Step 4: Simplify right side
76,825.20x = 3,176,820,023.13 - Step 5: Solve for x
x = 3,176,820,023.13/76,825.20 - Step 6: Final answer
x = 41,351.28
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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.