Finding the Fourth Proportional to 102,659.85, 153,995.21 and 32,544.63
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Solution
The fourth proportional to 102,659.85, 153,995.21 and 32,544.63 is: 48,818.67
Step by Step Solution
- Step 1: Write the proportion equation
102,659.85 : 153,995.21 = 32,544.63 : x - Step 2: Convert to fraction form
102,659.85/153,995.21 = 32,544.63/x - Step 3: Cross multiply
102,659.85x = 153,995.21 × 32,544.63 - Step 4: Simplify right side
102,659.85x = 5,011,717,131.22 - Step 5: Solve for x
x = 5,011,717,131.22/102,659.85 - Step 6: Final answer
x = 48,818.67
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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.