Finding the Fourth Proportional to 75,949.63, 104,809.21 and 44,118.79
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Solution
The fourth proportional to 75,949.63, 104,809.21 and 44,118.79 is: 60,883.19
Step by Step Solution
- Step 1: Write the proportion equation
75,949.63 : 104,809.21 = 44,118.79 : x - Step 2: Convert to fraction form
75,949.63/104,809.21 = 44,118.79/x - Step 3: Cross multiply
75,949.63x = 104,809.21 × 44,118.79 - Step 4: Simplify right side
75,949.63x = 4,624,055,526.06 - Step 5: Solve for x
x = 4,624,055,526.06/75,949.63 - Step 6: Final answer
x = 60,883.19
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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.