Finding the Fourth Proportional to 76,190.01, 114,209.68 and 36,138.75
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Solution
The fourth proportional to 76,190.01, 114,209.68 and 36,138.75 is: 54,172.39
Step by Step Solution
- Step 1: Write the proportion equation
76,190.01 : 114,209.68 = 36,138.75 : x - Step 2: Convert to fraction form
76,190.01/114,209.68 = 36,138.75/x - Step 3: Cross multiply
76,190.01x = 114,209.68 × 36,138.75 - Step 4: Simplify right side
76,190.01x = 4,127,395,073.10 - Step 5: Solve for x
x = 4,127,395,073.10/76,190.01 - Step 6: Final answer
x = 54,172.39
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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.