Finding the Fourth Proportional to 104,713.74, 144,508.58 and 56,968.79
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Solution
The fourth proportional to 104,713.74, 144,508.58 and 56,968.79 is: 78,618.90
Step by Step Solution
- Step 1: Write the proportion equation
104,713.74 : 144,508.58 = 56,968.79 : x - Step 2: Convert to fraction form
104,713.74/144,508.58 = 56,968.79/x - Step 3: Cross multiply
104,713.74x = 144,508.58 × 56,968.79 - Step 4: Simplify right side
104,713.74x = 8,232,479,450.91 - Step 5: Solve for x
x = 8,232,479,450.91/104,713.74 - Step 6: Final answer
x = 78,618.90
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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.