Finding the Fourth Proportional to 83,709.07, 125,456.79 and 39,237.84
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Solution
The fourth proportional to 83,709.07, 125,456.79 and 39,237.84 is: 58,806.69
Step by Step Solution
- Step 1: Write the proportion equation
83,709.07 : 125,456.79 = 39,237.84 : x - Step 2: Convert to fraction form
83,709.07/125,456.79 = 39,237.84/x - Step 3: Cross multiply
83,709.07x = 125,456.79 × 39,237.84 - Step 4: Simplify right side
83,709.07x = 4,922,653,452.93 - Step 5: Solve for x
x = 4,922,653,452.93/83,709.07 - Step 6: Final answer
x = 58,806.69
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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.