Finding the Fourth Proportional to 84,201.68, 116,190.96 and 53,933.60
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Solution
The fourth proportional to 84,201.68, 116,190.96 and 53,933.60 is: 74,423.65
Step by Step Solution
- Step 1: Write the proportion equation
84,201.68 : 116,190.96 = 53,933.60 : x - Step 2: Convert to fraction form
84,201.68/116,190.96 = 53,933.60/x - Step 3: Cross multiply
84,201.68x = 116,190.96 × 53,933.60 - Step 4: Simplify right side
84,201.68x = 6,266,596,760.26 - Step 5: Solve for x
x = 6,266,596,760.26/84,201.68 - Step 6: Final answer
x = 74,423.65
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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.