Finding the Fourth Proportional to 84,980.24, 117,274.48 and 46,739.44
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Solution
The fourth proportional to 84,980.24, 117,274.48 and 46,739.44 is: 64,501.39
Step by Step Solution
- Step 1: Write the proportion equation
84,980.24 : 117,274.48 = 46,739.44 : x - Step 2: Convert to fraction form
84,980.24/117,274.48 = 46,739.44/x - Step 3: Cross multiply
84,980.24x = 117,274.48 × 46,739.44 - Step 4: Simplify right side
84,980.24x = 5,481,343,521.49 - Step 5: Solve for x
x = 5,481,343,521.49/84,980.24 - Step 6: Final answer
x = 64,501.39
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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.