Finding the Fourth Proportional to 80,888.55, 121,348.70 and 24,736.63
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Solution
The fourth proportional to 80,888.55, 121,348.70 and 24,736.63 is: 37,109.80
Step by Step Solution
- Step 1: Write the proportion equation
80,888.55 : 121,348.70 = 24,736.63 : x - Step 2: Convert to fraction form
80,888.55/121,348.70 = 24,736.63/x - Step 3: Cross multiply
80,888.55x = 121,348.70 × 24,736.63 - Step 4: Simplify right side
80,888.55x = 3,001,757,892.88 - Step 5: Solve for x
x = 3,001,757,892.88/80,888.55 - Step 6: Final answer
x = 37,109.80
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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.