Finding the Fourth Proportional to 76,964.88, 115,451.52 and 24,370.44
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Solution
The fourth proportional to 76,964.88, 115,451.52 and 24,370.44 is: 36,556.99
Step by Step Solution
- Step 1: Write the proportion equation
76,964.88 : 115,451.52 = 24,370.44 : x - Step 2: Convert to fraction form
76,964.88/115,451.52 = 24,370.44/x - Step 3: Cross multiply
76,964.88x = 115,451.52 × 24,370.44 - Step 4: Simplify right side
76,964.88x = 2,813,604,341.07 - Step 5: Solve for x
x = 2,813,604,341.07/76,964.88 - Step 6: Final answer
x = 36,556.99
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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.