Finding the Fourth Proportional to 76,526.44, 114,796.17 and 21,122.44
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Solution
The fourth proportional to 76,526.44, 114,796.17 and 21,122.44 is: 31,685.45
Step by Step Solution
- Step 1: Write the proportion equation
76,526.44 : 114,796.17 = 21,122.44 : x - Step 2: Convert to fraction form
76,526.44/114,796.17 = 21,122.44/x - Step 3: Cross multiply
76,526.44x = 114,796.17 × 21,122.44 - Step 4: Simplify right side
76,526.44x = 2,424,774,926.06 - Step 5: Solve for x
x = 2,424,774,926.06/76,526.44 - Step 6: Final answer
x = 31,685.45
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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.