Finding the Fourth Proportional to 97,021.43, 133,889.37 and 54,579.99
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Solution
The fourth proportional to 97,021.43, 133,889.37 and 54,579.99 is: 75,320.27
Step by Step Solution
- Step 1: Write the proportion equation
97,021.43 : 133,889.37 = 54,579.99 : x - Step 2: Convert to fraction form
97,021.43/133,889.37 = 54,579.99/x - Step 3: Cross multiply
97,021.43x = 133,889.37 × 54,579.99 - Step 4: Simplify right side
97,021.43x = 7,307,680,475.71 - Step 5: Solve for x
x = 7,307,680,475.71/97,021.43 - Step 6: Final answer
x = 75,320.27
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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.