Finding the Fourth Proportional to 87,805.01, 121,141.07 and 49,560.05
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Solution
The fourth proportional to 87,805.01, 121,141.07 and 49,560.05 is: 68,376.02
Step by Step Solution
- Step 1: Write the proportion equation
87,805.01 : 121,141.07 = 49,560.05 : x - Step 2: Convert to fraction form
87,805.01/121,141.07 = 49,560.05/x - Step 3: Cross multiply
87,805.01x = 121,141.07 × 49,560.05 - Step 4: Simplify right side
87,805.01x = 6,003,757,727.16 - Step 5: Solve for x
x = 6,003,757,727.16/87,805.01 - Step 6: Final answer
x = 68,376.02
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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.