Finding the Fourth Proportional to 76,668.87, 114,970.49 and 26,734.19
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Solution
The fourth proportional to 76,668.87, 114,970.49 and 26,734.19 is: 40,089.84
Step by Step Solution
- Step 1: Write the proportion equation
76,668.87 : 114,970.49 = 26,734.19 : x - Step 2: Convert to fraction form
76,668.87/114,970.49 = 26,734.19/x - Step 3: Cross multiply
76,668.87x = 114,970.49 × 26,734.19 - Step 4: Simplify right side
76,668.87x = 3,073,642,924.05 - Step 5: Solve for x
x = 3,073,642,924.05/76,668.87 - Step 6: Final answer
x = 40,089.84
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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.