Finding the Fourth Proportional to 113,935.77, 170,811.09 and 47,425.68
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Solution
The fourth proportional to 113,935.77, 170,811.09 and 47,425.68 is: 71,099.99
Step by Step Solution
- Step 1: Write the proportion equation
113,935.77 : 170,811.09 = 47,425.68 : x - Step 2: Convert to fraction form
113,935.77/170,811.09 = 47,425.68/x - Step 3: Cross multiply
113,935.77x = 170,811.09 × 47,425.68 - Step 4: Simplify right side
113,935.77x = 8,100,832,094.79 - Step 5: Solve for x
x = 8,100,832,094.79/113,935.77 - Step 6: Final answer
x = 71,099.99
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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.