Finding the Fourth Proportional to 76,738.97, 115,115.20 and 23,442.98
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Solution
The fourth proportional to 76,738.97, 115,115.20 and 23,442.98 is: 35,166.52
Step by Step Solution
- Step 1: Write the proportion equation
76,738.97 : 115,115.20 = 23,442.98 : x - Step 2: Convert to fraction form
76,738.97/115,115.20 = 23,442.98/x - Step 3: Cross multiply
76,738.97x = 115,115.20 × 23,442.98 - Step 4: Simplify right side
76,738.97x = 2,698,642,697.11 - Step 5: Solve for x
x = 2,698,642,697.11/76,738.97 - Step 6: Final answer
x = 35,166.52
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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.