Finding the Fourth Proportional to 74,171.17, 110,717.24 and 68,689.09
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Solution
The fourth proportional to 74,171.17, 110,717.24 and 68,689.09 is: 102,534.00
Step by Step Solution
- Step 1: Write the proportion equation
74,171.17 : 110,717.24 = 68,689.09 : x - Step 2: Convert to fraction form
74,171.17/110,717.24 = 68,689.09/x - Step 3: Cross multiply
74,171.17x = 110,717.24 × 68,689.09 - Step 4: Simplify right side
74,171.17x = 7,605,066,462.91 - Step 5: Solve for x
x = 7,605,066,462.91/74,171.17 - Step 6: Final answer
x = 102,534.00
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.