Finding the Fourth Proportional to 86,494.29, 119,225.70 and 63,760.44
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Solution
The fourth proportional to 86,494.29, 119,225.70 and 63,760.44 is: 87,888.84
Step by Step Solution
- Step 1: Write the proportion equation
86,494.29 : 119,225.70 = 63,760.44 : x - Step 2: Convert to fraction form
86,494.29/119,225.70 = 63,760.44/x - Step 3: Cross multiply
86,494.29x = 119,225.70 × 63,760.44 - Step 4: Simplify right side
86,494.29x = 7,601,883,091.31 - Step 5: Solve for x
x = 7,601,883,091.31/86,494.29 - Step 6: Final answer
x = 87,888.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.