Finding the Fourth Proportional to 71,555.96, 107,353.04 and 24,808.80
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Solution
The fourth proportional to 71,555.96, 107,353.04 and 24,808.80 is: 37,219.82
Step by Step Solution
- Step 1: Write the proportion equation
71,555.96 : 107,353.04 = 24,808.80 : x - Step 2: Convert to fraction form
71,555.96/107,353.04 = 24,808.80/x - Step 3: Cross multiply
71,555.96x = 107,353.04 × 24,808.80 - Step 4: Simplify right side
71,555.96x = 2,663,300,098.75 - Step 5: Solve for x
x = 2,663,300,098.75/71,555.96 - Step 6: Final answer
x = 37,219.82
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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.