Finding the Fourth Proportional to 84,665.28, 116,825.58 and 46,939.80
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Solution
The fourth proportional to 84,665.28, 116,825.58 and 46,939.80 is: 64,769.99
Step by Step Solution
- Step 1: Write the proportion equation
84,665.28 : 116,825.58 = 46,939.80 : x - Step 2: Convert to fraction form
84,665.28/116,825.58 = 46,939.80/x - Step 3: Cross multiply
84,665.28x = 116,825.58 × 46,939.80 - Step 4: Simplify right side
84,665.28x = 5,483,769,360.08 - Step 5: Solve for x
x = 5,483,769,360.08/84,665.28 - Step 6: Final answer
x = 64,769.99
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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.