Finding the Fourth Proportional to 86,037.53, 118,711.01 and 50,207.09
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Solution
The fourth proportional to 86,037.53, 118,711.01 and 50,207.09 is: 69,273.66
Step by Step Solution
- Step 1: Write the proportion equation
86,037.53 : 118,711.01 = 50,207.09 : x - Step 2: Convert to fraction form
86,037.53/118,711.01 = 50,207.09/x - Step 3: Cross multiply
86,037.53x = 118,711.01 × 50,207.09 - Step 4: Simplify right side
86,037.53x = 5,960,133,895.02 - Step 5: Solve for x
x = 5,960,133,895.02/86,037.53 - Step 6: Final answer
x = 69,273.66
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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.