Finding the Fourth Proportional to 73,716.44, 110,509.19 and 28,727.38
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Solution
The fourth proportional to 73,716.44, 110,509.19 and 28,727.38 is: 43,065.55
Step by Step Solution
- Step 1: Write the proportion equation
73,716.44 : 110,509.19 = 28,727.38 : x - Step 2: Convert to fraction form
73,716.44/110,509.19 = 28,727.38/x - Step 3: Cross multiply
73,716.44x = 110,509.19 × 28,727.38 - Step 4: Simplify right side
73,716.44x = 3,174,638,798.44 - Step 5: Solve for x
x = 3,174,638,798.44/73,716.44 - Step 6: Final answer
x = 43,065.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.