Finding the Fourth Proportional to 86,153.23, 129,229.71 and 26,993.44
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Solution
The fourth proportional to 86,153.23, 129,229.71 and 26,993.44 is: 40,490.12
Step by Step Solution
- Step 1: Write the proportion equation
86,153.23 : 129,229.71 = 26,993.44 : x - Step 2: Convert to fraction form
86,153.23/129,229.71 = 26,993.44/x - Step 3: Cross multiply
86,153.23x = 129,229.71 × 26,993.44 - Step 4: Simplify right side
86,153.23x = 3,488,354,423.10 - Step 5: Solve for x
x = 3,488,354,423.10/86,153.23 - Step 6: Final answer
x = 40,490.12
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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.