Finding the Fourth Proportional to 87,602.44, 120,893.70 and 49,886.92
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Solution
The fourth proportional to 87,602.44, 120,893.70 and 49,886.92 is: 68,845.28
Step by Step Solution
- Step 1: Write the proportion equation
87,602.44 : 120,893.70 = 49,886.92 : x - Step 2: Convert to fraction form
87,602.44/120,893.70 = 49,886.92/x - Step 3: Cross multiply
87,602.44x = 120,893.70 × 49,886.92 - Step 4: Simplify right side
87,602.44x = 6,031,014,340.40 - Step 5: Solve for x
x = 6,031,014,340.40/87,602.44 - Step 6: Final answer
x = 68,845.28
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1.5x scale
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.