Finding the Fourth Proportional to 69,809.06, 104,630.36 and 48,634.44
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Solution
The fourth proportional to 69,809.06, 104,630.36 and 48,634.44 is: 72,893.68
Step by Step Solution
- Step 1: Write the proportion equation
69,809.06 : 104,630.36 = 48,634.44 : x - Step 2: Convert to fraction form
69,809.06/104,630.36 = 48,634.44/x - Step 3: Cross multiply
69,809.06x = 104,630.36 × 48,634.44 - Step 4: Simplify right side
69,809.06x = 5,088,638,722.43 - Step 5: Solve for x
x = 5,088,638,722.43/69,809.06 - Step 6: Final answer
x = 72,893.68
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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.