Finding the Fourth Proportional to 83,958.15, 125,980.97 and 37,200.09
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Solution
The fourth proportional to 83,958.15, 125,980.97 and 37,200.09 is: 55,819.52
Step by Step Solution
- Step 1: Write the proportion equation
83,958.15 : 125,980.97 = 37,200.09 : x - Step 2: Convert to fraction form
83,958.15/125,980.97 = 37,200.09/x - Step 3: Cross multiply
83,958.15x = 125,980.97 × 37,200.09 - Step 4: Simplify right side
83,958.15x = 4,686,503,917.97 - Step 5: Solve for x
x = 4,686,503,917.97/83,958.15 - Step 6: Final answer
x = 55,819.52
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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.