Finding the Fourth Proportional to 71,963.68, 107,944.76 and 24,578.22
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Solution
The fourth proportional to 71,963.68, 107,944.76 and 24,578.22 is: 36,867.07
Step by Step Solution
- Step 1: Write the proportion equation
71,963.68 : 107,944.76 = 24,578.22 : x - Step 2: Convert to fraction form
71,963.68/107,944.76 = 24,578.22/x - Step 3: Cross multiply
71,963.68x = 107,944.76 × 24,578.22 - Step 4: Simplify right side
71,963.68x = 2,653,090,059.13 - Step 5: Solve for x
x = 2,653,090,059.13/71,963.68 - Step 6: Final answer
x = 36,867.07
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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.