Finding the Fourth Proportional to 84,926.20, 117,204.69 and 50,935.99
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Solution
The fourth proportional to 84,926.20, 117,204.69 and 50,935.99 is: 70,295.59
Step by Step Solution
- Step 1: Write the proportion equation
84,926.20 : 117,204.69 = 50,935.99 : x - Step 2: Convert to fraction form
84,926.20/117,204.69 = 50,935.99/x - Step 3: Cross multiply
84,926.20x = 117,204.69 × 50,935.99 - Step 4: Simplify right side
84,926.20x = 5,969,936,917.79 - Step 5: Solve for x
x = 5,969,936,917.79/84,926.20 - Step 6: Final answer
x = 70,295.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.