Finding the Fourth Proportional to 117,761.58, 162,511.76 and 64,046.99
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Solution
The fourth proportional to 117,761.58, 162,511.76 and 64,046.99 is: 88,385.27
Step by Step Solution
- Step 1: Write the proportion equation
117,761.58 : 162,511.76 = 64,046.99 : x - Step 2: Convert to fraction form
117,761.58/162,511.76 = 64,046.99/x - Step 3: Cross multiply
117,761.58x = 162,511.76 × 64,046.99 - Step 4: Simplify right side
117,761.58x = 10,408,388,955.14 - Step 5: Solve for x
x = 10,408,388,955.14/117,761.58 - Step 6: Final answer
x = 88,385.27
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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.