Finding the Fourth Proportional to 75,748.29, 104,541.80 and 43,918.53
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Solution
The fourth proportional to 75,748.29, 104,541.80 and 43,918.53 is: 60,612.88
Step by Step Solution
- Step 1: Write the proportion equation
75,748.29 : 104,541.80 = 43,918.53 : x - Step 2: Convert to fraction form
75,748.29/104,541.80 = 43,918.53/x - Step 3: Cross multiply
75,748.29x = 104,541.80 × 43,918.53 - Step 4: Simplify right side
75,748.29x = 4,591,322,179.55 - Step 5: Solve for x
x = 4,591,322,179.55/75,748.29 - Step 6: Final answer
x = 60,612.88
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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.