Finding the Fourth Proportional to 84,201.99, 116,201.56 and 45,963.80
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Solution
The fourth proportional to 84,201.99, 116,201.56 and 45,963.80 is: 63,431.58
Step by Step Solution
- Step 1: Write the proportion equation
84,201.99 : 116,201.56 = 45,963.80 : x - Step 2: Convert to fraction form
84,201.99/116,201.56 = 45,963.80/x - Step 3: Cross multiply
84,201.99x = 116,201.56 × 45,963.80 - Step 4: Simplify right side
84,201.99x = 5,341,065,439.12 - Step 5: Solve for x
x = 5,341,065,439.12/84,201.99 - Step 6: Final answer
x = 63,431.58
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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.