Finding the Fourth Proportional to 79,837.65, 110,190.11 and 48,008.70
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Solution
The fourth proportional to 79,837.65, 110,190.11 and 48,008.70 is: 66,260.51
Step by Step Solution
- Step 1: Write the proportion equation
79,837.65 : 110,190.11 = 48,008.70 : x - Step 2: Convert to fraction form
79,837.65/110,190.11 = 48,008.70/x - Step 3: Cross multiply
79,837.65x = 110,190.11 × 48,008.70 - Step 4: Simplify right side
79,837.65x = 5,290,083,693.91 - Step 5: Solve for x
x = 5,290,083,693.91/79,837.65 - Step 6: Final answer
x = 66,260.51
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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.