Finding the Fourth Proportional to 71,860.64, 107,764.68 and 27,465.44
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Solution
The fourth proportional to 71,860.64, 107,764.68 and 27,465.44 is: 41,188.12
Step by Step Solution
- Step 1: Write the proportion equation
71,860.64 : 107,764.68 = 27,465.44 : x - Step 2: Convert to fraction form
71,860.64/107,764.68 = 27,465.44/x - Step 3: Cross multiply
71,860.64x = 107,764.68 × 27,465.44 - Step 4: Simplify right side
71,860.64x = 2,959,804,352.66 - Step 5: Solve for x
x = 2,959,804,352.66/71,860.64 - Step 6: Final answer
x = 41,188.12
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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.