Finding the Fourth Proportional to 99,099.26, 136,747.86 and 58,806.08
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Solution
The fourth proportional to 99,099.26, 136,747.86 and 58,806.08 is: 81,146.98
Step by Step Solution
- Step 1: Write the proportion equation
99,099.26 : 136,747.86 = 58,806.08 : x - Step 2: Convert to fraction form
99,099.26/136,747.86 = 58,806.08/x - Step 3: Cross multiply
99,099.26x = 136,747.86 × 58,806.08 - Step 4: Simplify right side
99,099.26x = 8,041,605,594.99 - Step 5: Solve for x
x = 8,041,605,594.99/99,099.26 - Step 6: Final answer
x = 81,146.98
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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.