Finding the Fourth Proportional to 97,324.23, 134,331.90 and 54,907.38
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Solution
The fourth proportional to 97,324.23, 134,331.90 and 54,907.38 is: 75,785.99
Step by Step Solution
- Step 1: Write the proportion equation
97,324.23 : 134,331.90 = 54,907.38 : x - Step 2: Convert to fraction form
97,324.23/134,331.90 = 54,907.38/x - Step 3: Cross multiply
97,324.23x = 134,331.90 × 54,907.38 - Step 4: Simplify right side
97,324.23x = 7,375,812,679.42 - Step 5: Solve for x
x = 7,375,812,679.42/97,324.23 - Step 6: Final answer
x = 75,785.99
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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.