Finding the Fourth Proportional to 86,676.84, 119,614.86 and 48,439.44
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Solution
The fourth proportional to 86,676.84, 119,614.86 and 48,439.44 is: 66,846.89
Step by Step Solution
- Step 1: Write the proportion equation
86,676.84 : 119,614.86 = 48,439.44 : x - Step 2: Convert to fraction form
86,676.84/119,614.86 = 48,439.44/x - Step 3: Cross multiply
86,676.84x = 119,614.86 × 48,439.44 - Step 4: Simplify right side
86,676.84x = 5,794,076,834.08 - Step 5: Solve for x
x = 5,794,076,834.08/86,676.84 - Step 6: Final answer
x = 66,846.89
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1.5x scale
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.