Finding the Fourth Proportional to 83,832.23, 125,721.67 and 27,661.87
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Solution
The fourth proportional to 83,832.23, 125,721.67 and 27,661.87 is: 41,484.00
Step by Step Solution
- Step 1: Write the proportion equation
83,832.23 : 125,721.67 = 27,661.87 : x - Step 2: Convert to fraction form
83,832.23/125,721.67 = 27,661.87/x - Step 3: Cross multiply
83,832.23x = 125,721.67 × 27,661.87 - Step 4: Simplify right side
83,832.23x = 3,477,696,101.20 - Step 5: Solve for x
x = 3,477,696,101.20/83,832.23 - Step 6: Final answer
x = 41,484.00
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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.