Finding the Fourth Proportional to 83,744.55, 125,634.14 and 27,588.08
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Solution
The fourth proportional to 83,744.55, 125,634.14 and 27,588.08 is: 41,387.81
Step by Step Solution
- Step 1: Write the proportion equation
83,744.55 : 125,634.14 = 27,588.08 : x - Step 2: Convert to fraction form
83,744.55/125,634.14 = 27,588.08/x - Step 3: Cross multiply
83,744.55x = 125,634.14 × 27,588.08 - Step 4: Simplify right side
83,744.55x = 3,466,003,938.94 - Step 5: Solve for x
x = 3,466,003,938.94/83,744.55 - Step 6: Final answer
x = 41,387.81
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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.