Finding the Fourth Proportional to 73,785.36, 110,639.61 and 26,382.18
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Solution
The fourth proportional to 73,785.36, 110,639.61 and 26,382.18 is: 39,559.53
Step by Step Solution
- Step 1: Write the proportion equation
73,785.36 : 110,639.61 = 26,382.18 : x - Step 2: Convert to fraction form
73,785.36/110,639.61 = 26,382.18/x - Step 3: Cross multiply
73,785.36x = 110,639.61 × 26,382.18 - Step 4: Simplify right side
73,785.36x = 2,918,914,106.15 - Step 5: Solve for x
x = 2,918,914,106.15/73,785.36 - Step 6: Final answer
x = 39,559.53
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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.