Finding the Fourth Proportional to 79,069.11, 118,618.07 and 37,515.75
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Solution
The fourth proportional to 79,069.11, 118,618.07 and 37,515.75 is: 56,280.46
Step by Step Solution
- Step 1: Write the proportion equation
79,069.11 : 118,618.07 = 37,515.75 : x - Step 2: Convert to fraction form
79,069.11/118,618.07 = 37,515.75/x - Step 3: Cross multiply
79,069.11x = 118,618.07 × 37,515.75 - Step 4: Simplify right side
79,069.11x = 4,450,045,672.02 - Step 5: Solve for x
x = 4,450,045,672.02/79,069.11 - Step 6: Final answer
x = 56,280.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.