Finding the Fourth Proportional to 71,490.74, 107,231.52 and 29,359.94
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Solution
The fourth proportional to 71,490.74, 107,231.52 and 29,359.94 is: 44,038.02
Step by Step Solution
- Step 1: Write the proportion equation
71,490.74 : 107,231.52 = 29,359.94 : x - Step 2: Convert to fraction form
71,490.74/107,231.52 = 29,359.94/x - Step 3: Cross multiply
71,490.74x = 107,231.52 × 29,359.94 - Step 4: Simplify right side
71,490.74x = 3,148,310,993.31 - Step 5: Solve for x
x = 3,148,310,993.31/71,490.74 - Step 6: Final answer
x = 44,038.02
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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.