Finding the Fourth Proportional to 75,672.24, 104,422.68 and 43,835.46
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Solution
The fourth proportional to 75,672.24, 104,422.68 and 43,835.46 is: 60,490.03
Step by Step Solution
- Step 1: Write the proportion equation
75,672.24 : 104,422.68 = 43,835.46 : x - Step 2: Convert to fraction form
75,672.24/104,422.68 = 43,835.46/x - Step 3: Cross multiply
75,672.24x = 104,422.68 × 43,835.46 - Step 4: Simplify right side
75,672.24x = 4,577,416,212.23 - Step 5: Solve for x
x = 4,577,416,212.23/75,672.24 - Step 6: Final answer
x = 60,490.03
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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.