Finding the Fourth Proportional to 83,941.98, 125,926.35 and 27,784.14
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Solution
The fourth proportional to 83,941.98, 125,926.35 and 27,784.14 is: 41,680.64
Step by Step Solution
- Step 1: Write the proportion equation
83,941.98 : 125,926.35 = 27,784.14 : x - Step 2: Convert to fraction form
83,941.98/125,926.35 = 27,784.14/x - Step 3: Cross multiply
83,941.98x = 125,926.35 × 27,784.14 - Step 4: Simplify right side
83,941.98x = 3,498,755,338.09 - Step 5: Solve for x
x = 3,498,755,338.09/83,941.98 - Step 6: Final answer
x = 41,680.64
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1.5x scale
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.