Finding the Fourth Proportional to 80,893.80, 121,340.70 and 41,437.80
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Solution
The fourth proportional to 80,893.80, 121,340.70 and 41,437.80 is: 62,156.70
Step by Step Solution
- Step 1: Write the proportion equation
80,893.80 : 121,340.70 = 41,437.80 : x - Step 2: Convert to fraction form
80,893.80/121,340.70 = 41,437.80/x - Step 3: Cross multiply
80,893.80x = 121,340.70 × 41,437.80 - Step 4: Simplify right side
80,893.80x = 5,028,091,658.46 - Step 5: Solve for x
x = 5,028,091,658.46/80,893.80 - Step 6: Final answer
x = 62,156.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.