Finding the Fourth Proportional to 84,620.64, 116,781.18 and 46,894.08
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Solution
The fourth proportional to 84,620.64, 116,781.18 and 46,894.08 is: 64,716.43
Step by Step Solution
- Step 1: Write the proportion equation
84,620.64 : 116,781.18 = 46,894.08 : x - Step 2: Convert to fraction form
84,620.64/116,781.18 = 46,894.08/x - Step 3: Cross multiply
84,620.64x = 116,781.18 × 46,894.08 - Step 4: Simplify right side
84,620.64x = 5,476,345,997.41 - Step 5: Solve for x
x = 5,476,345,997.41/84,620.64 - Step 6: Final answer
x = 64,716.43
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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.