Finding the Fourth Proportional to 77,207.69, 115,786.94 and 24,604.88
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Solution
The fourth proportional to 77,207.69, 115,786.94 and 24,604.88 is: 36,899.47
Step by Step Solution
- Step 1: Write the proportion equation
77,207.69 : 115,786.94 = 24,604.88 : x - Step 2: Convert to fraction form
77,207.69/115,786.94 = 24,604.88/x - Step 3: Cross multiply
77,207.69x = 115,786.94 × 24,604.88 - Step 4: Simplify right side
77,207.69x = 2,848,923,062.31 - Step 5: Solve for x
x = 2,848,923,062.31/77,207.69 - Step 6: Final answer
x = 36,899.47
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1.5x scale
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.