Finding the Fourth Proportional to 117,079.29, 161,568.74 and 63,363.80
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Solution
The fourth proportional to 117,079.29, 161,568.74 and 63,363.80 is: 87,441.68
Step by Step Solution
- Step 1: Write the proportion equation
117,079.29 : 161,568.74 = 63,363.80 : x - Step 2: Convert to fraction form
117,079.29/161,568.74 = 63,363.80/x - Step 3: Cross multiply
117,079.29x = 161,568.74 × 63,363.80 - Step 4: Simplify right side
117,079.29x = 10,237,609,889.94 - Step 5: Solve for x
x = 10,237,609,889.94/117,079.29 - Step 6: Final answer
x = 87,441.68
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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.