Finding the Fourth Proportional to 71,525.48, 107,322.76 and 29,436.60
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Solution
The fourth proportional to 71,525.48, 107,322.76 and 29,436.60 is: 44,169.12
Step by Step Solution
- Step 1: Write the proportion equation
71,525.48 : 107,322.76 = 29,436.60 : x - Step 2: Convert to fraction form
71,525.48/107,322.76 = 29,436.60/x - Step 3: Cross multiply
71,525.48x = 107,322.76 × 29,436.60 - Step 4: Simplify right side
71,525.48x = 3,159,217,157.02 - Step 5: Solve for x
x = 3,159,217,157.02/71,525.48 - Step 6: Final answer
x = 44,169.12
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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.