Finding the Fourth Proportional to 66,733.15, 100,115.70 and 22,360.09
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Solution
The fourth proportional to 66,733.15, 100,115.70 and 22,360.09 is: 33,545.49
Step by Step Solution
- Step 1: Write the proportion equation
66,733.15 : 100,115.70 = 22,360.09 : x - Step 2: Convert to fraction form
66,733.15/100,115.70 = 22,360.09/x - Step 3: Cross multiply
66,733.15x = 100,115.70 × 22,360.09 - Step 4: Simplify right side
66,733.15x = 2,238,596,062.41 - Step 5: Solve for x
x = 2,238,596,062.41/66,733.15 - Step 6: Final answer
x = 33,545.49
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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.