Finding the Fourth Proportional to 94,661.70, 141,739.20 and 57,169.26
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Solution
The fourth proportional to 94,661.70, 141,739.20 and 57,169.26 is: 85,600.88
Step by Step Solution
- Step 1: Write the proportion equation
94,661.70 : 141,739.20 = 57,169.26 : x - Step 2: Convert to fraction form
94,661.70/141,739.20 = 57,169.26/x - Step 3: Cross multiply
94,661.70x = 141,739.20 × 57,169.26 - Step 4: Simplify right side
94,661.70x = 8,103,125,176.99 - Step 5: Solve for x
x = 8,103,125,176.99/94,661.70 - Step 6: Final answer
x = 85,600.88
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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.