Finding the Fourth Proportional to 80,723.95, 121,096.51 and 26,670.68
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Solution
The fourth proportional to 80,723.95, 121,096.51 and 26,670.68 is: 40,009.52
Step by Step Solution
- Step 1: Write the proportion equation
80,723.95 : 121,096.51 = 26,670.68 : x - Step 2: Convert to fraction form
80,723.95/121,096.51 = 26,670.68/x - Step 3: Cross multiply
80,723.95x = 121,096.51 × 26,670.68 - Step 4: Simplify right side
80,723.95x = 3,229,726,267.33 - Step 5: Solve for x
x = 3,229,726,267.33/80,723.95 - Step 6: Final answer
x = 40,009.52
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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.