Finding the Fourth Proportional to 71,058.26, 106,524.66 and 28,973.55
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Solution
The fourth proportional to 71,058.26, 106,524.66 and 28,973.55 is: 43,434.75
Step by Step Solution
- Step 1: Write the proportion equation
71,058.26 : 106,524.66 = 28,973.55 : x - Step 2: Convert to fraction form
71,058.26/106,524.66 = 28,973.55/x - Step 3: Cross multiply
71,058.26x = 106,524.66 × 28,973.55 - Step 4: Simplify right side
71,058.26x = 3,086,397,562.74 - Step 5: Solve for x
x = 3,086,397,562.74/71,058.26 - Step 6: Final answer
x = 43,434.75
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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.