Finding the Fourth Proportional to 94,135.81, 129,908.33 and 51,695.26
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Solution
The fourth proportional to 94,135.81, 129,908.33 and 51,695.26 is: 71,339.96
Step by Step Solution
- Step 1: Write the proportion equation
94,135.81 : 129,908.33 = 51,695.26 : x - Step 2: Convert to fraction form
94,135.81/129,908.33 = 51,695.26/x - Step 3: Cross multiply
94,135.81x = 129,908.33 × 51,695.26 - Step 4: Simplify right side
94,135.81x = 6,715,644,895.52 - Step 5: Solve for x
x = 6,715,644,895.52/94,135.81 - Step 6: Final answer
x = 71,339.96
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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.