Finding the Fourth Proportional to 86,995.62, 130,502.34 and 33,715.44
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Solution
The fourth proportional to 86,995.62, 130,502.34 and 33,715.44 is: 50,576.61
Step by Step Solution
- Step 1: Write the proportion equation
86,995.62 : 130,502.34 = 33,715.44 : x - Step 2: Convert to fraction form
86,995.62/130,502.34 = 33,715.44/x - Step 3: Cross multiply
86,995.62x = 130,502.34 × 33,715.44 - Step 4: Simplify right side
86,995.62x = 4,399,943,814.13 - Step 5: Solve for x
x = 4,399,943,814.13/86,995.62 - Step 6: Final answer
x = 50,576.61
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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.