Finding the Fourth Proportional to 92,806.56, 128,073.04 and 50,365.09
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Solution
The fourth proportional to 92,806.56, 128,073.04 and 50,365.09 is: 69,503.82
Step by Step Solution
- Step 1: Write the proportion equation
92,806.56 : 128,073.04 = 50,365.09 : x - Step 2: Convert to fraction form
92,806.56/128,073.04 = 50,365.09/x - Step 3: Cross multiply
92,806.56x = 128,073.04 × 50,365.09 - Step 4: Simplify right side
92,806.56x = 6,450,410,186.17 - Step 5: Solve for x
x = 6,450,410,186.17/92,806.56 - Step 6: Final answer
x = 69,503.82
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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.