Finding the Fourth Proportional to 83,930.12, 125,849.16 and 33,277.83
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Solution
The fourth proportional to 83,930.12, 125,849.16 and 33,277.83 is: 49,898.50
Step by Step Solution
- Step 1: Write the proportion equation
83,930.12 : 125,849.16 = 33,277.83 : x - Step 2: Convert to fraction form
83,930.12/125,849.16 = 33,277.83/x - Step 3: Cross multiply
83,930.12x = 125,849.16 × 33,277.83 - Step 4: Simplify right side
83,930.12x = 4,187,986,785.73 - Step 5: Solve for x
x = 4,187,986,785.73/83,930.12 - Step 6: Final answer
x = 49,898.50
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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.