Finding the Fourth Proportional to 117,471.07, 162,110.24 and 63,756.09
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Solution
The fourth proportional to 117,471.07, 162,110.24 and 63,756.09 is: 87,983.49
Step by Step Solution
- Step 1: Write the proportion equation
117,471.07 : 162,110.24 = 63,756.09 : x - Step 2: Convert to fraction form
117,471.07/162,110.24 = 63,756.09/x - Step 3: Cross multiply
117,471.07x = 162,110.24 × 63,756.09 - Step 4: Simplify right side
117,471.07x = 10,335,514,971.67 - Step 5: Solve for x
x = 10,335,514,971.67/117,471.07 - Step 6: Final answer
x = 87,983.49
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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.