Finding the Fourth Proportional to 87,894.84, 121,316.58 and 50,190.96
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Solution
The fourth proportional to 87,894.84, 121,316.58 and 50,190.96 is: 69,275.92
Step by Step Solution
- Step 1: Write the proportion equation
87,894.84 : 121,316.58 = 50,190.96 : x - Step 2: Convert to fraction form
87,894.84/121,316.58 = 50,190.96/x - Step 3: Cross multiply
87,894.84x = 121,316.58 × 50,190.96 - Step 4: Simplify right side
87,894.84x = 6,088,995,614.12 - Step 5: Solve for x
x = 6,088,995,614.12/87,894.84 - Step 6: Final answer
x = 69,275.92
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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.