Finding the Fourth Proportional to 84,076.28, 126,193.14 and 42,552.44
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Solution
The fourth proportional to 84,076.28, 126,193.14 and 42,552.44 is: 63,868.50
Step by Step Solution
- Step 1: Write the proportion equation
84,076.28 : 126,193.14 = 42,552.44 : x - Step 2: Convert to fraction form
84,076.28/126,193.14 = 42,552.44/x - Step 3: Cross multiply
84,076.28x = 126,193.14 × 42,552.44 - Step 4: Simplify right side
84,076.28x = 5,369,826,018.26 - Step 5: Solve for x
x = 5,369,826,018.26/84,076.28 - Step 6: Final answer
x = 63,868.50
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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.