Finding the Fourth Proportional to 87,078.97, 130,620.08 and 24,751.09
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Solution
The fourth proportional to 87,078.97, 130,620.08 and 24,751.09 is: 37,127.10
Step by Step Solution
- Step 1: Write the proportion equation
87,078.97 : 130,620.08 = 24,751.09 : x - Step 2: Convert to fraction form
87,078.97/130,620.08 = 24,751.09/x - Step 3: Cross multiply
87,078.97x = 130,620.08 × 24,751.09 - Step 4: Simplify right side
87,078.97x = 3,232,989,232.13 - Step 5: Solve for x
x = 3,232,989,232.13/87,078.97 - Step 6: Final answer
x = 37,127.10
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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.