Finding the Fourth Proportional to 93,912.63, 129,599.16 and 50,893.31
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Solution
The fourth proportional to 93,912.63, 129,599.16 and 50,893.31 is: 70,232.61
Step by Step Solution
- Step 1: Write the proportion equation
93,912.63 : 129,599.16 = 50,893.31 : x - Step 2: Convert to fraction form
93,912.63/129,599.16 = 50,893.31/x - Step 3: Cross multiply
93,912.63x = 129,599.16 × 50,893.31 - Step 4: Simplify right side
93,912.63x = 6,595,729,577.62 - Step 5: Solve for x
x = 6,595,729,577.62/93,912.63 - Step 6: Final answer
x = 70,232.61
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1.5x scale
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.