Finding the Fourth Proportional to 76,880.14, 115,320.96 and 26,961.46
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Solution
The fourth proportional to 76,880.14, 115,320.96 and 26,961.46 is: 40,442.45
Step by Step Solution
- Step 1: Write the proportion equation
76,880.14 : 115,320.96 = 26,961.46 : x - Step 2: Convert to fraction form
76,880.14/115,320.96 = 26,961.46/x - Step 3: Cross multiply
76,880.14x = 115,320.96 × 26,961.46 - Step 4: Simplify right side
76,880.14x = 3,109,221,450.20 - Step 5: Solve for x
x = 3,109,221,450.20/76,880.14 - Step 6: Final answer
x = 40,442.45
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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.