Finding the Fourth Proportional to 88,334.98, 121,903.84 and 48,049.62
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Solution
The fourth proportional to 88,334.98, 121,903.84 and 48,049.62 is: 66,309.33
Step by Step Solution
- Step 1: Write the proportion equation
88,334.98 : 121,903.84 = 48,049.62 : x - Step 2: Convert to fraction form
88,334.98/121,903.84 = 48,049.62/x - Step 3: Cross multiply
88,334.98x = 121,903.84 × 48,049.62 - Step 4: Simplify right side
88,334.98x = 5,857,433,188.54 - Step 5: Solve for x
x = 5,857,433,188.54/88,334.98 - Step 6: Final answer
x = 66,309.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.