Finding the Fourth Proportional to 95,138.08, 142,713.77 and 38,211.99
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Solution
The fourth proportional to 95,138.08, 142,713.77 and 38,211.99 is: 57,320.65
Step by Step Solution
- Step 1: Write the proportion equation
95,138.08 : 142,713.77 = 38,211.99 : x - Step 2: Convert to fraction form
95,138.08/142,713.77 = 38,211.99/x - Step 3: Cross multiply
95,138.08x = 142,713.77 × 38,211.99 - Step 4: Simplify right side
95,138.08x = 5,453,376,425.87 - Step 5: Solve for x
x = 5,453,376,425.87/95,138.08 - Step 6: Final answer
x = 57,320.65
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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.