Finding the Fourth Proportional to 71,190.24, 106,798.80 and 29,641.44
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Solution
The fourth proportional to 71,190.24, 106,798.80 and 29,641.44 is: 44,467.76
Step by Step Solution
- Step 1: Write the proportion equation
71,190.24 : 106,798.80 = 29,641.44 : x - Step 2: Convert to fraction form
71,190.24/106,798.80 = 29,641.44/x - Step 3: Cross multiply
71,190.24x = 106,798.80 × 29,641.44 - Step 4: Simplify right side
71,190.24x = 3,165,670,222.27 - Step 5: Solve for x
x = 3,165,670,222.27/71,190.24 - Step 6: Final answer
x = 44,467.76
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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.