Finding the Fourth Proportional to 75,701.45, 104,470.09 and 41,713.65
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Solution
The fourth proportional to 75,701.45, 104,470.09 and 41,713.65 is: 57,565.98
Step by Step Solution
- Step 1: Write the proportion equation
75,701.45 : 104,470.09 = 41,713.65 : x - Step 2: Convert to fraction form
75,701.45/104,470.09 = 41,713.65/x - Step 3: Cross multiply
75,701.45x = 104,470.09 × 41,713.65 - Step 4: Simplify right side
75,701.45x = 4,357,828,665.44 - Step 5: Solve for x
x = 4,357,828,665.44/75,701.45 - Step 6: Final answer
x = 57,565.98
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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.