Finding the Fourth Proportional to 72,495.87, 108,709.29 and 29,794.62
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Solution
The fourth proportional to 72,495.87, 108,709.29 and 29,794.62 is: 44,677.75
Step by Step Solution
- Step 1: Write the proportion equation
72,495.87 : 108,709.29 = 29,794.62 : x - Step 2: Convert to fraction form
72,495.87/108,709.29 = 29,794.62/x - Step 3: Cross multiply
72,495.87x = 108,709.29 × 29,794.62 - Step 4: Simplify right side
72,495.87x = 3,238,952,505.41 - Step 5: Solve for x
x = 3,238,952,505.41/72,495.87 - Step 6: Final answer
x = 44,677.75
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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.