Finding the Fourth Proportional to 83,376.75, 125,078.09 and 27,985.71
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Solution
The fourth proportional to 83,376.75, 125,078.09 and 27,985.71 is: 41,982.92
Step by Step Solution
- Step 1: Write the proportion equation
83,376.75 : 125,078.09 = 27,985.71 : x - Step 2: Convert to fraction form
83,376.75/125,078.09 = 27,985.71/x - Step 3: Cross multiply
83,376.75x = 125,078.09 × 27,985.71 - Step 4: Simplify right side
83,376.75x = 3,500,399,014.17 - Step 5: Solve for x
x = 3,500,399,014.17/83,376.75 - Step 6: Final answer
x = 41,982.92
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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.