Finding the Fourth Proportional to 81,114.93, 121,672.67 and 24,954.66
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Solution
The fourth proportional to 81,114.93, 121,672.67 and 24,954.66 is: 37,432.07
Step by Step Solution
- Step 1: Write the proportion equation
81,114.93 : 121,672.67 = 24,954.66 : x - Step 2: Convert to fraction form
81,114.93/121,672.67 = 24,954.66/x - Step 3: Cross multiply
81,114.93x = 121,672.67 × 24,954.66 - Step 4: Simplify right side
81,114.93x = 3,036,299,986.37 - Step 5: Solve for x
x = 3,036,299,986.37/81,114.93 - Step 6: Final answer
x = 37,432.07
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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.