Finding the Fourth Proportional to 71,800.08, 107,704.23 and 21,881.80
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Solution
The fourth proportional to 71,800.08, 107,704.23 and 21,881.80 is: 32,823.95
Step by Step Solution
- Step 1: Write the proportion equation
71,800.08 : 107,704.23 = 21,881.80 : x - Step 2: Convert to fraction form
71,800.08/107,704.23 = 21,881.80/x - Step 3: Cross multiply
71,800.08x = 107,704.23 × 21,881.80 - Step 4: Simplify right side
71,800.08x = 2,356,762,420.01 - Step 5: Solve for x
x = 2,356,762,420.01/71,800.08 - Step 6: Final answer
x = 32,823.95
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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.