Finding the Fourth Proportional to 110,640.49, 152,657.63 and 62,890.08
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Solution
The fourth proportional to 110,640.49, 152,657.63 and 62,890.08 is: 86,773.39
Step by Step Solution
- Step 1: Write the proportion equation
110,640.49 : 152,657.63 = 62,890.08 : x - Step 2: Convert to fraction form
110,640.49/152,657.63 = 62,890.08/x - Step 3: Cross multiply
110,640.49x = 152,657.63 × 62,890.08 - Step 4: Simplify right side
110,640.49x = 9,600,649,912.23 - Step 5: Solve for x
x = 9,600,649,912.23/110,640.49 - Step 6: Final answer
x = 86,773.39
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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.