Finding the Fourth Proportional to 87,498.48, 131,274.84 and 36,923.70
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Solution
The fourth proportional to 87,498.48, 131,274.84 and 36,923.70 is: 55,396.99
Step by Step Solution
- Step 1: Write the proportion equation
87,498.48 : 131,274.84 = 36,923.70 : x - Step 2: Convert to fraction form
87,498.48/131,274.84 = 36,923.70/x - Step 3: Cross multiply
87,498.48x = 131,274.84 × 36,923.70 - Step 4: Simplify right side
87,498.48x = 4,847,152,809.71 - Step 5: Solve for x
x = 4,847,152,809.71/87,498.48 - Step 6: Final answer
x = 55,396.99
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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.