Finding the Fourth Proportional to 73,986.48, 110,968.74 and 27,228.42
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Solution
The fourth proportional to 73,986.48, 110,968.74 and 27,228.42 is: 40,838.59
Step by Step Solution
- Step 1: Write the proportion equation
73,986.48 : 110,968.74 = 27,228.42 : x - Step 2: Convert to fraction form
73,986.48/110,968.74 = 27,228.42/x - Step 3: Cross multiply
73,986.48x = 110,968.74 × 27,228.42 - Step 4: Simplify right side
73,986.48x = 3,021,503,459.59 - Step 5: Solve for x
x = 3,021,503,459.59/73,986.48 - Step 6: Final answer
x = 40,838.59
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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.