Finding the Fourth Proportional to 75,529.20, 113,293.80 and 67,234.80
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Solution
The fourth proportional to 75,529.20, 113,293.80 and 67,234.80 is: 100,852.20
Step by Step Solution
- Step 1: Write the proportion equation
75,529.20 : 113,293.80 = 67,234.80 : x - Step 2: Convert to fraction form
75,529.20/113,293.80 = 67,234.80/x - Step 3: Cross multiply
75,529.20x = 113,293.80 × 67,234.80 - Step 4: Simplify right side
75,529.20x = 7,617,285,984.24 - Step 5: Solve for x
x = 7,617,285,984.24/75,529.20 - Step 6: Final answer
x = 100,852.20
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Double scale
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Similar ratio
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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.