Finding the Fourth Proportional to 95,170.63, 142,769.05 and 31,995.65
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Solution
The fourth proportional to 95,170.63, 142,769.05 and 31,995.65 is: 47,997.88
Step by Step Solution
- Step 1: Write the proportion equation
95,170.63 : 142,769.05 = 31,995.65 : x - Step 2: Convert to fraction form
95,170.63/142,769.05 = 31,995.65/x - Step 3: Cross multiply
95,170.63x = 142,769.05 × 31,995.65 - Step 4: Simplify right side
95,170.63x = 4,567,988,554.63 - Step 5: Solve for x
x = 4,567,988,554.63/95,170.63 - Step 6: Final answer
x = 47,997.88
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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.