Finding the Fourth Proportional to 71,241.93, 107,056.76 and 37,985.49
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Solution
The fourth proportional to 71,241.93, 107,056.76 and 37,985.49 is: 57,081.60
Step by Step Solution
- Step 1: Write the proportion equation
71,241.93 : 107,056.76 = 37,985.49 : x - Step 2: Convert to fraction form
71,241.93/107,056.76 = 37,985.49/x - Step 3: Cross multiply
71,241.93x = 107,056.76 × 37,985.49 - Step 4: Simplify right side
71,241.93x = 4,066,603,296.48 - Step 5: Solve for x
x = 4,066,603,296.48/71,241.93 - Step 6: Final answer
x = 57,081.60
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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.