Finding the Fourth Proportional to 87,549.06, 131,113.16 and 49,995.44
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Solution
The fourth proportional to 87,549.06, 131,113.16 and 49,995.44 is: 74,872.99
Step by Step Solution
- Step 1: Write the proportion equation
87,549.06 : 131,113.16 = 49,995.44 : x - Step 2: Convert to fraction form
87,549.06/131,113.16 = 49,995.44/x - Step 3: Cross multiply
87,549.06x = 131,113.16 × 49,995.44 - Step 4: Simplify right side
87,549.06x = 6,555,060,123.99 - Step 5: Solve for x
x = 6,555,060,123.99/87,549.06 - Step 6: Final answer
x = 74,872.99
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Double scale
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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.