Finding the Fourth Proportional to 94,142.44, 129,918.63 and 51,701.14
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Solution
The fourth proportional to 94,142.44, 129,918.63 and 51,701.14 is: 71,348.71
Step by Step Solution
- Step 1: Write the proportion equation
94,142.44 : 129,918.63 = 51,701.14 : x - Step 2: Convert to fraction form
94,142.44/129,918.63 = 51,701.14/x - Step 3: Cross multiply
94,142.44x = 129,918.63 × 51,701.14 - Step 4: Simplify right side
94,142.44x = 6,716,941,278.24 - Step 5: Solve for x
x = 6,716,941,278.24/94,142.44 - Step 6: Final answer
x = 71,348.71
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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.