Finding the Fourth Proportional to 84,010.19, 115,934.01 and 46,284.44
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Solution
The fourth proportional to 84,010.19, 115,934.01 and 46,284.44 is: 63,872.50
Step by Step Solution
- Step 1: Write the proportion equation
84,010.19 : 115,934.01 = 46,284.44 : x - Step 2: Convert to fraction form
84,010.19/115,934.01 = 46,284.44/x - Step 3: Cross multiply
84,010.19x = 115,934.01 × 46,284.44 - Step 4: Simplify right side
84,010.19x = 5,365,940,432.81 - Step 5: Solve for x
x = 5,365,940,432.81/84,010.19 - Step 6: Final answer
x = 63,872.50
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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.