Finding the Fourth Proportional to 84,131.64, 116,097.30 and 52,299.99
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Solution
The fourth proportional to 84,131.64, 116,097.30 and 52,299.99 is: 72,171.27
Step by Step Solution
- Step 1: Write the proportion equation
84,131.64 : 116,097.30 = 52,299.99 : x - Step 2: Convert to fraction form
84,131.64/116,097.30 = 52,299.99/x - Step 3: Cross multiply
84,131.64x = 116,097.30 × 52,299.99 - Step 4: Simplify right side
84,131.64x = 6,071,887,629.03 - Step 5: Solve for x
x = 6,071,887,629.03/84,131.64 - Step 6: Final answer
x = 72,171.27
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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.