Finding the Fourth Proportional to 80,727.64, 121,117.41 and 24,578.62
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Solution
The fourth proportional to 80,727.64, 121,117.41 and 24,578.62 is: 36,875.82
Step by Step Solution
- Step 1: Write the proportion equation
80,727.64 : 121,117.41 = 24,578.62 : x - Step 2: Convert to fraction form
80,727.64/121,117.41 = 24,578.62/x - Step 3: Cross multiply
80,727.64x = 121,117.41 × 24,578.62 - Step 4: Simplify right side
80,727.64x = 2,976,898,067.29 - Step 5: Solve for x
x = 2,976,898,067.29/80,727.64 - Step 6: Final answer
x = 36,875.82
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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.