Finding the Fourth Proportional to 71,582.94, 107,365.50 and 38,267.64
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Solution
The fourth proportional to 71,582.94, 107,365.50 and 38,267.64 is: 57,396.70
Step by Step Solution
- Step 1: Write the proportion equation
71,582.94 : 107,365.50 = 38,267.64 : x - Step 2: Convert to fraction form
71,582.94/107,365.50 = 38,267.64/x - Step 3: Cross multiply
71,582.94x = 107,365.50 × 38,267.64 - Step 4: Simplify right side
71,582.94x = 4,108,624,302.42 - Step 5: Solve for x
x = 4,108,624,302.42/71,582.94 - Step 6: Final answer
x = 57,396.70
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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.