Finding the Fourth Proportional to 91,058.24, 125,660.43 and 50,771.09
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Solution
The fourth proportional to 91,058.24, 125,660.43 and 50,771.09 is: 70,064.14
Step by Step Solution
- Step 1: Write the proportion equation
91,058.24 : 125,660.43 = 50,771.09 : x - Step 2: Convert to fraction form
91,058.24/125,660.43 = 50,771.09/x - Step 3: Cross multiply
91,058.24x = 125,660.43 × 50,771.09 - Step 4: Simplify right side
91,058.24x = 6,379,917,315.12 - Step 5: Solve for x
x = 6,379,917,315.12/91,058.24 - Step 6: Final answer
x = 70,064.14
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.