Finding the Fourth Proportional to 76,418.64, 114,621.17 and 26,497.62
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Solution
The fourth proportional to 76,418.64, 114,621.17 and 26,497.62 is: 39,744.07
Step by Step Solution
- Step 1: Write the proportion equation
76,418.64 : 114,621.17 = 26,497.62 : x - Step 2: Convert to fraction form
76,418.64/114,621.17 = 26,497.62/x - Step 3: Cross multiply
76,418.64x = 114,621.17 × 26,497.62 - Step 4: Simplify right side
76,418.64x = 3,037,188,074.13 - Step 5: Solve for x
x = 3,037,188,074.13/76,418.64 - Step 6: Final answer
x = 39,744.07
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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.