Finding the Fourth Proportional to 80,965.26, 121,455.99 and 24,804.72
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Solution
The fourth proportional to 80,965.26, 121,455.99 and 24,804.72 is: 37,209.56
Step by Step Solution
- Step 1: Write the proportion equation
80,965.26 : 121,455.99 = 24,804.72 : x - Step 2: Convert to fraction form
80,965.26/121,455.99 = 24,804.72/x - Step 3: Cross multiply
80,965.26x = 121,455.99 × 24,804.72 - Step 4: Simplify right side
80,965.26x = 3,012,681,824.27 - Step 5: Solve for x
x = 3,012,681,824.27/80,965.26 - Step 6: Final answer
x = 37,209.56
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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.