Finding the Fourth Proportional to 94,935.24, 142,418.66 and 38,805.48
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Solution
The fourth proportional to 94,935.24, 142,418.66 and 38,805.48 is: 58,214.68
Step by Step Solution
- Step 1: Write the proportion equation
94,935.24 : 142,418.66 = 38,805.48 : x - Step 2: Convert to fraction form
94,935.24/142,418.66 = 38,805.48/x - Step 3: Cross multiply
94,935.24x = 142,418.66 × 38,805.48 - Step 4: Simplify right side
94,935.24x = 5,526,624,268.23 - Step 5: Solve for x
x = 5,526,624,268.23/94,935.24 - Step 6: Final answer
x = 58,214.68
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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.