Finding the Fourth Proportional to 87,740.99, 121,073.74 and 49,497.04
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Solution
The fourth proportional to 87,740.99, 121,073.74 and 49,497.04 is: 68,300.94
Step by Step Solution
- Step 1: Write the proportion equation
87,740.99 : 121,073.74 = 49,497.04 : x - Step 2: Convert to fraction form
87,740.99/121,073.74 = 49,497.04/x - Step 3: Cross multiply
87,740.99x = 121,073.74 × 49,497.04 - Step 4: Simplify right side
87,740.99x = 5,992,791,779.33 - Step 5: Solve for x
x = 5,992,791,779.33/87,740.99 - Step 6: Final answer
x = 68,300.94
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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.