Finding the Fourth Proportional to 80,881.12, 121,326.84 and 24,723.21
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Solution
The fourth proportional to 80,881.12, 121,326.84 and 24,723.21 is: 37,086.39
Step by Step Solution
- Step 1: Write the proportion equation
80,881.12 : 121,326.84 = 24,723.21 : x - Step 2: Convert to fraction form
80,881.12/121,326.84 = 24,723.21/x - Step 3: Cross multiply
80,881.12x = 121,326.84 × 24,723.21 - Step 4: Simplify right side
80,881.12x = 2,999,588,943.96 - Step 5: Solve for x
x = 2,999,588,943.96/80,881.12 - Step 6: Final answer
x = 37,086.39
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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.