Finding the Fourth Proportional to 83,571.84, 125,351.73 and 39,208.68
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Solution
The fourth proportional to 83,571.84, 125,351.73 and 39,208.68 is: 58,810.19
Step by Step Solution
- Step 1: Write the proportion equation
83,571.84 : 125,351.73 = 39,208.68 : x - Step 2: Convert to fraction form
83,571.84/125,351.73 = 39,208.68/x - Step 3: Cross multiply
83,571.84x = 125,351.73 × 39,208.68 - Step 4: Simplify right side
83,571.84x = 4,914,875,869.02 - Step 5: Solve for x
x = 4,914,875,869.02/83,571.84 - Step 6: Final answer
x = 58,810.19
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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.