Finding the Fourth Proportional to 87,825.84, 121,169.76 and 49,580.88
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Solution
The fourth proportional to 87,825.84, 121,169.76 and 49,580.88 is: 68,404.74
Step by Step Solution
- Step 1: Write the proportion equation
87,825.84 : 121,169.76 = 49,580.88 : x - Step 2: Convert to fraction form
87,825.84/121,169.76 = 49,580.88/x - Step 3: Cross multiply
87,825.84x = 121,169.76 × 49,580.88 - Step 4: Simplify right side
87,825.84x = 6,007,703,330.19 - Step 5: Solve for x
x = 6,007,703,330.19/87,825.84 - Step 6: Final answer
x = 68,404.74
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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.