Finding the Fourth Proportional to 75,473.20, 104,154.24 and 43,207.70
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Solution
The fourth proportional to 75,473.20, 104,154.24 and 43,207.70 is: 59,627.32
Step by Step Solution
- Step 1: Write the proportion equation
75,473.20 : 104,154.24 = 43,207.70 : x - Step 2: Convert to fraction form
75,473.20/104,154.24 = 43,207.70/x - Step 3: Cross multiply
75,473.20x = 104,154.24 × 43,207.70 - Step 4: Simplify right side
75,473.20x = 4,500,264,796.91 - Step 5: Solve for x
x = 4,500,264,796.91/75,473.20 - Step 6: Final answer
x = 59,627.32
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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.