Finding the Fourth Proportional to 79,237.71, 118,863.05 and 32,490.99
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Solution
The fourth proportional to 79,237.71, 118,863.05 and 32,490.99 is: 48,739.14
Step by Step Solution
- Step 1: Write the proportion equation
79,237.71 : 118,863.05 = 32,490.99 : x - Step 2: Convert to fraction form
79,237.71/118,863.05 = 32,490.99/x - Step 3: Cross multiply
79,237.71x = 118,863.05 × 32,490.99 - Step 4: Simplify right side
79,237.71x = 3,861,978,006.46 - Step 5: Solve for x
x = 3,861,978,006.46/79,237.71 - Step 6: Final answer
x = 48,739.14
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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.