Finding the Fourth Proportional to 69,704.70, 104,498.29 and 30,232.09
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Solution
The fourth proportional to 69,704.70, 104,498.29 and 30,232.09 is: 45,322.65
Step by Step Solution
- Step 1: Write the proportion equation
69,704.70 : 104,498.29 = 30,232.09 : x - Step 2: Convert to fraction form
69,704.70/104,498.29 = 30,232.09/x - Step 3: Cross multiply
69,704.70x = 104,498.29 × 30,232.09 - Step 4: Simplify right side
69,704.70x = 3,159,201,708.13 - Step 5: Solve for x
x = 3,159,201,708.13/69,704.70 - Step 6: Final answer
x = 45,322.65
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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.