Finding the Fourth Proportional to 87,077.92, 120,180.66 and 53,106.12
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Solution
The fourth proportional to 87,077.92, 120,180.66 and 53,106.12 is: 73,294.45
Step by Step Solution
- Step 1: Write the proportion equation
87,077.92 : 120,180.66 = 53,106.12 : x - Step 2: Convert to fraction form
87,077.92/120,180.66 = 53,106.12/x - Step 3: Cross multiply
87,077.92x = 120,180.66 × 53,106.12 - Step 4: Simplify right side
87,077.92x = 6,382,328,551.64 - Step 5: Solve for x
x = 6,382,328,551.64/87,077.92 - Step 6: Final answer
x = 73,294.45
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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.