Finding the Fourth Proportional to 83,614.59, 125,426.07 and 27,431.98
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Solution
The fourth proportional to 83,614.59, 125,426.07 and 27,431.98 is: 41,149.34
Step by Step Solution
- Step 1: Write the proportion equation
83,614.59 : 125,426.07 = 27,431.98 : x - Step 2: Convert to fraction form
83,614.59/125,426.07 = 27,431.98/x - Step 3: Cross multiply
83,614.59x = 125,426.07 × 27,431.98 - Step 4: Simplify right side
83,614.59x = 3,440,685,130.15 - Step 5: Solve for x
x = 3,440,685,130.15/83,614.59 - Step 6: Final answer
x = 41,149.34
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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.