Finding the Fourth Proportional to 71,358.66, 107,037.99 and 29,776.50
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Solution
The fourth proportional to 71,358.66, 107,037.99 and 29,776.50 is: 44,664.75
Step by Step Solution
- Step 1: Write the proportion equation
71,358.66 : 107,037.99 = 29,776.50 : x - Step 2: Convert to fraction form
71,358.66/107,037.99 = 29,776.50/x - Step 3: Cross multiply
71,358.66x = 107,037.99 × 29,776.50 - Step 4: Simplify right side
71,358.66x = 3,187,216,709.24 - Step 5: Solve for x
x = 3,187,216,709.24/71,358.66 - Step 6: Final answer
x = 44,664.75
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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.