Finding the Fourth Proportional to 95,124.49, 142,755.93 and 76,627.84
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Solution
The fourth proportional to 95,124.49, 142,755.93 and 76,627.84 is: 114,997.50
Step by Step Solution
- Step 1: Write the proportion equation
95,124.49 : 142,755.93 = 76,627.84 : x - Step 2: Convert to fraction form
95,124.49/142,755.93 = 76,627.84/x - Step 3: Cross multiply
95,124.49x = 142,755.93 × 76,627.84 - Step 4: Simplify right side
95,124.49x = 10,939,078,563.09 - Step 5: Solve for x
x = 10,939,078,563.09/95,124.49 - Step 6: Final answer
x = 114,997.50
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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.