Finding the Fourth Proportional to 87,812.66, 121,181.49 and 48,068.66
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Solution
The fourth proportional to 87,812.66, 121,181.49 and 48,068.66 is: 66,334.76
Step by Step Solution
- Step 1: Write the proportion equation
87,812.66 : 121,181.49 = 48,068.66 : x - Step 2: Convert to fraction form
87,812.66/121,181.49 = 48,068.66/x - Step 3: Cross multiply
87,812.66x = 121,181.49 × 48,068.66 - Step 4: Simplify right side
87,812.66x = 5,825,031,841.10 - Step 5: Solve for x
x = 5,825,031,841.10/87,812.66 - Step 6: Final answer
x = 66,334.76
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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.