Finding the Fourth Proportional to 86,183.28, 118,932.48 and 48,457.44
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Solution
The fourth proportional to 86,183.28, 118,932.48 and 48,457.44 is: 66,871.02
Step by Step Solution
- Step 1: Write the proportion equation
86,183.28 : 118,932.48 = 48,457.44 : x - Step 2: Convert to fraction form
86,183.28/118,932.48 = 48,457.44/x - Step 3: Cross multiply
86,183.28x = 118,932.48 × 48,457.44 - Step 4: Simplify right side
86,183.28x = 5,763,163,513.65 - Step 5: Solve for x
x = 5,763,163,513.65/86,183.28 - Step 6: Final answer
x = 66,871.02
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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.