Finding the Fourth Proportional to 76,888.98, 115,335.90 and 32,517.18
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Solution
The fourth proportional to 76,888.98, 115,335.90 and 32,517.18 is: 48,776.80
Step by Step Solution
- Step 1: Write the proportion equation
76,888.98 : 115,335.90 = 32,517.18 : x - Step 2: Convert to fraction form
76,888.98/115,335.90 = 32,517.18/x - Step 3: Cross multiply
76,888.98x = 115,335.90 × 32,517.18 - Step 4: Simplify right side
76,888.98x = 3,750,398,220.76 - Step 5: Solve for x
x = 3,750,398,220.76/76,888.98 - Step 6: Final answer
x = 48,776.80
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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.