Finding the Fourth Proportional to 88,403.81, 132,617.93 and 28,433.97
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Solution
The fourth proportional to 88,403.81, 132,617.93 and 28,433.97 is: 42,654.88
Step by Step Solution
- Step 1: Write the proportion equation
88,403.81 : 132,617.93 = 28,433.97 : x - Step 2: Convert to fraction form
88,403.81/132,617.93 = 28,433.97/x - Step 3: Cross multiply
88,403.81x = 132,617.93 × 28,433.97 - Step 4: Simplify right side
88,403.81x = 3,770,854,100.91 - Step 5: Solve for x
x = 3,770,854,100.91/88,403.81 - Step 6: Final answer
x = 42,654.88
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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.