Finding the Fourth Proportional to 115,006.05, 172,582.86 and 55,809.42
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Solution
The fourth proportional to 115,006.05, 172,582.86 and 55,809.42 is: 83,749.94
Step by Step Solution
- Step 1: Write the proportion equation
115,006.05 : 172,582.86 = 55,809.42 : x - Step 2: Convert to fraction form
115,006.05/172,582.86 = 55,809.42/x - Step 3: Cross multiply
115,006.05x = 172,582.86 × 55,809.42 - Step 4: Simplify right side
115,006.05x = 9,631,749,318.54 - Step 5: Solve for x
x = 9,631,749,318.54/115,006.05 - Step 6: Final answer
x = 83,749.94
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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.