Finding the Fourth Proportional to 117,929.07, 162,720.49 and 69,546.17
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Solution
The fourth proportional to 117,929.07, 162,720.49 and 69,546.17 is: 95,960.96
Step by Step Solution
- Step 1: Write the proportion equation
117,929.07 : 162,720.49 = 69,546.17 : x - Step 2: Convert to fraction form
117,929.07/162,720.49 = 69,546.17/x - Step 3: Cross multiply
117,929.07x = 162,720.49 × 69,546.17 - Step 4: Simplify right side
117,929.07x = 11,316,586,512.29 - Step 5: Solve for x
x = 11,316,586,512.29/117,929.07 - Step 6: Final answer
x = 95,960.96
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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.