Finding the Fourth Proportional to 110,565.54, 165,717.09 and 63,721.62
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Solution
The fourth proportional to 110,565.54, 165,717.09 and 63,721.62 is: 95,506.80
Step by Step Solution
- Step 1: Write the proportion equation
110,565.54 : 165,717.09 = 63,721.62 : x - Step 2: Convert to fraction form
110,565.54/165,717.09 = 63,721.62/x - Step 3: Cross multiply
110,565.54x = 165,717.09 × 63,721.62 - Step 4: Simplify right side
110,565.54x = 10,559,761,436.49 - Step 5: Solve for x
x = 10,559,761,436.49/110,565.54 - Step 6: Final answer
x = 95,506.80
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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.