Finding the Fourth Proportional to 94,893.27, 130,867.88 and 78,734.99
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Solution
The fourth proportional to 94,893.27, 130,867.88 and 78,734.99 is: 108,583.89
Step by Step Solution
- Step 1: Write the proportion equation
94,893.27 : 130,867.88 = 78,734.99 : x - Step 2: Convert to fraction form
94,893.27/130,867.88 = 78,734.99/x - Step 3: Cross multiply
94,893.27x = 130,867.88 × 78,734.99 - Step 4: Simplify right side
94,893.27x = 10,303,880,568.78 - Step 5: Solve for x
x = 10,303,880,568.78/94,893.27 - Step 6: Final answer
x = 108,583.89
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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.