Finding the Fourth Proportional to 97,318.11, 134,299.01 and 54,876.65
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Solution
The fourth proportional to 97,318.11, 134,299.01 and 54,876.65 is: 75,729.79
Step by Step Solution
- Step 1: Write the proportion equation
97,318.11 : 134,299.01 = 54,876.65 : x - Step 2: Convert to fraction form
97,318.11/134,299.01 = 54,876.65/x - Step 3: Cross multiply
97,318.11x = 134,299.01 × 54,876.65 - Step 4: Simplify right side
97,318.11x = 7,369,879,431.37 - Step 5: Solve for x
x = 7,369,879,431.37/97,318.11 - Step 6: Final answer
x = 75,729.79
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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.