Finding the Fourth Proportional to 71,719.02, 107,578.53 and 29,581.00
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Solution
The fourth proportional to 71,719.02, 107,578.53 and 29,581.00 is: 44,371.50
Step by Step Solution
- Step 1: Write the proportion equation
71,719.02 : 107,578.53 = 29,581.00 : x - Step 2: Convert to fraction form
71,719.02/107,578.53 = 29,581.00/x - Step 3: Cross multiply
71,719.02x = 107,578.53 × 29,581.00 - Step 4: Simplify right side
71,719.02x = 3,182,280,226.98 - Step 5: Solve for x
x = 3,182,280,226.98/71,719.02 - Step 6: Final answer
x = 44,371.50
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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.