Finding the Fourth Proportional to 75,541.99, 113,326.67 and 31,144.03
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Solution
The fourth proportional to 75,541.99, 113,326.67 and 31,144.03 is: 46,721.69
Step by Step Solution
- Step 1: Write the proportion equation
75,541.99 : 113,326.67 = 31,144.03 : x - Step 2: Convert to fraction form
75,541.99/113,326.67 = 31,144.03/x - Step 3: Cross multiply
75,541.99x = 113,326.67 × 31,144.03 - Step 4: Simplify right side
75,541.99x = 3,529,449,210.28 - Step 5: Solve for x
x = 3,529,449,210.28/75,541.99 - Step 6: Final answer
x = 46,721.69
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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.