Finding the Fourth Proportional to 87,282.36, 130,988.75 and 33,982.74
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Solution
The fourth proportional to 87,282.36, 130,988.75 and 33,982.74 is: 50,999.50
Step by Step Solution
- Step 1: Write the proportion equation
87,282.36 : 130,988.75 = 33,982.74 : x - Step 2: Convert to fraction form
87,282.36/130,988.75 = 33,982.74/x - Step 3: Cross multiply
87,282.36x = 130,988.75 × 33,982.74 - Step 4: Simplify right side
87,282.36x = 4,451,356,464.26 - Step 5: Solve for x
x = 4,451,356,464.26/87,282.36 - Step 6: Final answer
x = 50,999.50
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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.