Finding the Fourth Proportional to 102,659.70, 153,995.07 and 32,544.48
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Solution
The fourth proportional to 102,659.70, 153,995.07 and 32,544.48 is: 48,818.47
Step by Step Solution
- Step 1: Write the proportion equation
102,659.70 : 153,995.07 = 32,544.48 : x - Step 2: Convert to fraction form
102,659.70/153,995.07 = 32,544.48/x - Step 3: Cross multiply
102,659.70x = 153,995.07 × 32,544.48 - Step 4: Simplify right side
102,659.70x = 5,011,690,175.24 - Step 5: Solve for x
x = 5,011,690,175.24/102,659.70 - Step 6: Final answer
x = 48,818.47
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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.