Finding the Fourth Proportional to 87,395.01, 120,614.36 and 53,423.38
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Solution
The fourth proportional to 87,395.01, 120,614.36 and 53,423.38 is: 73,729.92
Step by Step Solution
- Step 1: Write the proportion equation
87,395.01 : 120,614.36 = 53,423.38 : x - Step 2: Convert to fraction form
87,395.01/120,614.36 = 53,423.38/x - Step 3: Cross multiply
87,395.01x = 120,614.36 × 53,423.38 - Step 4: Simplify right side
87,395.01x = 6,443,627,072.06 - Step 5: Solve for x
x = 6,443,627,072.06/87,395.01 - Step 6: Final answer
x = 73,729.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.