Finding the Fourth Proportional to 91,766.97, 137,648.84 and 25,206.84
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Solution
The fourth proportional to 91,766.97, 137,648.84 and 25,206.84 is: 37,809.82
Step by Step Solution
- Step 1: Write the proportion equation
91,766.97 : 137,648.84 = 25,206.84 : x - Step 2: Convert to fraction form
91,766.97/137,648.84 = 25,206.84/x - Step 3: Cross multiply
91,766.97x = 137,648.84 × 25,206.84 - Step 4: Simplify right side
91,766.97x = 3,469,692,160.03 - Step 5: Solve for x
x = 3,469,692,160.03/91,766.97 - Step 6: Final answer
x = 37,809.82
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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.