Finding the Fourth Proportional to 113,516.99, 170,275.44 and 52,721.09
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Solution
The fourth proportional to 113,516.99, 170,275.44 and 52,721.09 is: 79,081.61
Step by Step Solution
- Step 1: Write the proportion equation
113,516.99 : 170,275.44 = 52,721.09 : x - Step 2: Convert to fraction form
113,516.99/170,275.44 = 52,721.09/x - Step 3: Cross multiply
113,516.99x = 170,275.44 × 52,721.09 - Step 4: Simplify right side
113,516.99x = 8,977,105,945.65 - Step 5: Solve for x
x = 8,977,105,945.65/113,516.99 - Step 6: Final answer
x = 79,081.61
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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.