Finding the Fourth Proportional to 116,412.05, 174,617.99 and 31,022.93
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Solution
The fourth proportional to 116,412.05, 174,617.99 and 31,022.93 is: 46,534.37
Step by Step Solution
- Step 1: Write the proportion equation
116,412.05 : 174,617.99 = 31,022.93 : x - Step 2: Convert to fraction form
116,412.05/174,617.99 = 31,022.93/x - Step 3: Cross multiply
116,412.05x = 174,617.99 × 31,022.93 - Step 4: Simplify right side
116,412.05x = 5,417,160,652.31 - Step 5: Solve for x
x = 5,417,160,652.31/116,412.05 - Step 6: Final answer
x = 46,534.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.