Finding the Fourth Proportional to 87,052.29, 119,349.79 and 85,477.65
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Solution
The fourth proportional to 87,052.29, 119,349.79 and 85,477.65 is: 117,190.94
Step by Step Solution
- Step 1: Write the proportion equation
87,052.29 : 119,349.79 = 85,477.65 : x - Step 2: Convert to fraction form
87,052.29/119,349.79 = 85,477.65/x - Step 3: Cross multiply
87,052.29x = 119,349.79 × 85,477.65 - Step 4: Simplify right side
87,052.29x = 10,201,739,577.19 - Step 5: Solve for x
x = 10,201,739,577.19/87,052.29 - Step 6: Final answer
x = 117,190.94
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.