Finding the Fourth Proportional to 75,644.64, 104,396.04 and 41,659.74
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Solution
The fourth proportional to 75,644.64, 104,396.04 and 41,659.74 is: 57,493.99
Step by Step Solution
- Step 1: Write the proportion equation
75,644.64 : 104,396.04 = 41,659.74 : x - Step 2: Convert to fraction form
75,644.64/104,396.04 = 41,659.74/x - Step 3: Cross multiply
75,644.64x = 104,396.04 × 41,659.74 - Step 4: Simplify right side
75,644.64x = 4,349,111,883.43 - Step 5: Solve for x
x = 4,349,111,883.43/75,644.64 - Step 6: Final answer
x = 57,493.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.