Finding the Fourth Proportional to 76,659.08, 114,860.99 and 26,711.64
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Solution
The fourth proportional to 76,659.08, 114,860.99 and 26,711.64 is: 40,022.99
Step by Step Solution
- Step 1: Write the proportion equation
76,659.08 : 114,860.99 = 26,711.64 : x - Step 2: Convert to fraction form
76,659.08/114,860.99 = 26,711.64/x - Step 3: Cross multiply
76,659.08x = 114,860.99 × 26,711.64 - Step 4: Simplify right side
76,659.08x = 3,068,125,481.70 - Step 5: Solve for x
x = 3,068,125,481.70/76,659.08 - Step 6: Final answer
x = 40,022.99
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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.