Finding the Fourth Proportional to 86,512.59, 129,774.02 and 24,183.09
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Solution
The fourth proportional to 86,512.59, 129,774.02 and 24,183.09 is: 36,276.07
Step by Step Solution
- Step 1: Write the proportion equation
86,512.59 : 129,774.02 = 24,183.09 : x - Step 2: Convert to fraction form
86,512.59/129,774.02 = 24,183.09/x - Step 3: Cross multiply
86,512.59x = 129,774.02 × 24,183.09 - Step 4: Simplify right side
86,512.59x = 3,138,336,684.41 - Step 5: Solve for x
x = 3,138,336,684.41/86,512.59 - Step 6: Final answer
x = 36,276.07
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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.