Finding the Fourth Proportional to 91,083.71, 125,652.60 and 59,240.99
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Solution
The fourth proportional to 91,083.71, 125,652.60 and 59,240.99 is: 81,724.65
Step by Step Solution
- Step 1: Write the proportion equation
91,083.71 : 125,652.60 = 59,240.99 : x - Step 2: Convert to fraction form
91,083.71/125,652.60 = 59,240.99/x - Step 3: Cross multiply
91,083.71x = 125,652.60 × 59,240.99 - Step 4: Simplify right side
91,083.71x = 7,443,783,791.81 - Step 5: Solve for x
x = 7,443,783,791.81/91,083.71 - Step 6: Final answer
x = 81,724.65
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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.