Finding the Fourth Proportional to 76,001.28, 104,883.84 and 42,469.44
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Solution
The fourth proportional to 76,001.28, 104,883.84 and 42,469.44 is: 58,608.99
Step by Step Solution
- Step 1: Write the proportion equation
76,001.28 : 104,883.84 = 42,469.44 : x - Step 2: Convert to fraction form
76,001.28/104,883.84 = 42,469.44/x - Step 3: Cross multiply
76,001.28x = 104,883.84 × 42,469.44 - Step 4: Simplify right side
76,001.28x = 4,454,357,949.85 - Step 5: Solve for x
x = 4,454,357,949.85/76,001.28 - Step 6: Final answer
x = 58,608.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.