Finding the Fourth Proportional to 73,539.81, 110,287.80 and 26,781.75
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Solution
The fourth proportional to 73,539.81, 110,287.80 and 26,781.75 is: 40,164.64
Step by Step Solution
- Step 1: Write the proportion equation
73,539.81 : 110,287.80 = 26,781.75 : x - Step 2: Convert to fraction form
73,539.81/110,287.80 = 26,781.75/x - Step 3: Cross multiply
73,539.81x = 110,287.80 × 26,781.75 - Step 4: Simplify right side
73,539.81x = 2,953,700,287.65 - Step 5: Solve for x
x = 2,953,700,287.65/73,539.81 - Step 6: Final answer
x = 40,164.64
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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.