Finding the Fourth Proportional to 94,114.51, 129,840.98 and 53,806.62
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Solution
The fourth proportional to 94,114.51, 129,840.98 and 53,806.62 is: 74,231.96
Step by Step Solution
- Step 1: Write the proportion equation
94,114.51 : 129,840.98 = 53,806.62 : x - Step 2: Convert to fraction form
94,114.51/129,840.98 = 53,806.62/x - Step 3: Cross multiply
94,114.51x = 129,840.98 × 53,806.62 - Step 4: Simplify right side
94,114.51x = 6,986,304,271.29 - Step 5: Solve for x
x = 6,986,304,271.29/94,114.51 - Step 6: Final answer
x = 74,231.96
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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.