Finding the Fourth Proportional to 117,576.29, 162,250.67 and 69,828.41
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Solution
The fourth proportional to 117,576.29, 162,250.67 and 69,828.41 is: 96,360.46
Step by Step Solution
- Step 1: Write the proportion equation
117,576.29 : 162,250.67 = 69,828.41 : x - Step 2: Convert to fraction form
117,576.29/162,250.67 = 69,828.41/x - Step 3: Cross multiply
117,576.29x = 162,250.67 × 69,828.41 - Step 4: Simplify right side
117,576.29x = 11,329,705,147.14 - Step 5: Solve for x
x = 11,329,705,147.14/117,576.29 - Step 6: Final answer
x = 96,360.46
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1.5x scale
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.